makeup node ids

data/1.Java初阶/1.Java概览/1.编辑Java源代码/config.json

 {
-  "node_id": "java-d89b878493484f188f9853079357fdb8",
+  "node_id": "java-4744df73a92b434593040c21501362c3",
   "keywords": [
     "输出",
     "main",

data/1.Java初阶/1.Java概览/2.编译Java程序/config.json

 {
-  "node_id": "java-437728ce2bae4796b877bca961fb1893",
+  "node_id": "java-3c458ea864a540468e0b10cd82df0662",
   "keywords": [],
   "children": [],
   "export": [],

data/1.Java初阶/1.Java概览/3.Java的运行机制/config.json

 {
-  "node_id": "java-0a484e43a5cb4428a36dd70233ed94f4",
+  "node_id": "java-2af8b309ed874ad6bd06c6f2363d098d",
   "keywords": [],
   "children": [],
   "export": [

data/1.Java初阶/1.Java概览/4.根据CLASSPATH环境变量定位类/config.json

 {
-  "node_id": "java-0b472b5aebdb48599b913a4a3c7db4fd",
+  "node_id": "java-4ddfc05dbbe54300905f404c1ed1b4f9",
   "keywords": [],
   "children": [],
   "export": [

data/1.Java初阶/1.Java概览/config.json

 {
-  "node_id": "java-c9b23c7321ed47b093786462e70a4e64",
+  "node_id": "java-214cab4de0e9459393d5f0fde32f2ce0",
   "keywords": [],
   "children": [],
   "export": [],

data/1.Java初阶/10.类和接口/1.类和面向对象/config.json

 {
   "keywords": [],
   "children": [],
-  "node_id": "java-60ec4eb3dd2c40f184375741aff54195",
+  "node_id": "java-0593e0b9c9f74799a204d697f0db488b",
   "export": [
     "classic.json"
   ]

data/1.Java初阶/10.类和接口/2.抽象类/config.json

@@ -5,5 +5,5 @@
     "接口"
   ],
   "children": [],
-  "node_id": "java-93a99eedeae048099b7b20b8fa7626be"
+  "node_id": "java-968fb08ea9294e3c99aab38cbfe916cb"
 }
\ No newline at end of file

data/1.Java初阶/10.类和接口/3.接口/config.json

@@ -5,7 +5,7 @@
     "接口"
   ],
   "children": [],
-  "node_id": "java-e589173b4d414db595805d1c29c0b43a",
+  "node_id": "java-1aabc6ccf62b49b4bbcabcd9a03c30a5",
   "export": [
     "interface.json"
   ]

data/1.Java初阶/10.类和接口/4.匿名类/config.json

@@ -5,7 +5,7 @@
     "lambda"
   ],
   "children": [],
-  "node_id": "java-e13ee73a5fb444a69a3083eeb4ffb19f",
+  "node_id": "java-a999491b97f44593a18e14690efaad34",
   "export": [
     "anonymous.json"
   ]

data/1.Java初阶/10.类和接口/config.json

 {
   "keywords": [],
   "children": [],
-  "node_id": "java-67340874077242ea8ee62323588eebe2"
+  "node_id": "java-dbcdebbc3d584d0797d3bc16ef2191b7"
 }
\ No newline at end of file

data/1.Java初阶/11.IO初步/1.字节流/config.json

 {
-  "node_id": "java-ce50420f95944b048dbabc8ff571b3e6",
+  "node_id": "java-3ea06f6d049d4c079a88747ffd0cc51e",
   "keywords": [],
   "children": [],
   "export": [

data/1.Java初阶/11.IO初步/2.File类/config.json

 {
-  "node_id": "java-66c26d8967534b0ba8240749abac2e4d",
+  "node_id": "java-046d129404f14676af135da42fea658b",
   "keywords": [],
   "children": [],
   "export": [

data/1.Java初阶/11.IO初步/config.json

 {
-  "node_id": "java-79452b55bfc2490e8e53cbd746b33d79",
+  "node_id": "java-b9fa688f8fe74e19b6e4b599982a60cc",
   "keywords": []
 }
\ No newline at end of file

data/1.Java初阶/2.Java的基本语法/1.Java的基本语法格式/config.json

 {
-  "node_id": "java-09f401c0e4dd42eab5d1a93e4238c2b6",
+  "node_id": "java-964a698a506e45ce8d6976667d80f479",
   "keywords": [
     "语法",
     "Hello World"

data/1.Java初阶/2.Java的基本语法/2.Java中的注释/config.json

 {
-  "node_id": "java-b7c4e8fa2c094e55b8bc6688ead1e0c4",
+  "node_id": "java-406f21ba8f6a473d932df4ddbf8b72a0",
   "keywords": [
     "注释 "
   ],

data/1.Java初阶/2.Java的基本语法/3.Java中的关键字/config.json

 {
-  "node_id": "java-c3a6fc61a9d94f74a6845484ea5f3632",
+  "node_id": "java-e16c7862e7cc4feeb54cf6a42dd65cef",
   "keywords": [
     "关键字"
   ],

data/1.Java初阶/2.Java的基本语法/config.json

 {
-  "node_id": "java-58baedf2dc374aeda83825bbbb8dbbb3",
+  "node_id": "java-f8b97f6cc56d4dc1a761e4a19ed41c10",
   "keywords": [],
   "children": [],
   "export": [],

data/1.Java初阶/3.Java中的变量与常量/1.变量的定义/config.json

 {
-  "node_id": "java-328003362ff049d4bd50843dff91e679",
+  "node_id": "java-cf7105c4e7ad45b4a69b63eb519a2782",
   "keywords": [
     "变量",
     "赋值",

data/1.Java初阶/3.Java中的变量与常量/2.变量的数据类型/config.json

 {
-  "node_id": "java-297a7cf8cc6e42199102f13657cb862b",
+  "node_id": "java-f6d0c186d3bc470c85f676ba83af9979",
   "keywords": [
     "变量",
     "类型"

data/1.Java初阶/3.Java中的变量与常量/3.Java中的常量/config.json

 {
-  "node_id": "java-32b2d367cb564d05bc0ffcfd69590333",
+  "node_id": "java-ca6c820c18884a02af4697c461e2b488",
   "keywords": [
     "常量",
     "定义",

data/1.Java初阶/3.Java中的变量与常量/4.变量的作用域/config.json

 {
-  "node_id": "java-0875d8cec2484c63b75d2c15421863f0",
+  "node_id": "java-67ba0b3e5c7f409ab8b6406a399e9469",
   "keywords": [
     "常量",
     "定义",

data/1.Java初阶/3.Java中的变量与常量/config.json

 {
-  "node_id": "java-c6c9e904b3b14b6ca4dbda663b9673a8",
+  "node_id": "java-af40aff3bc1a4ad983412b9bf0b593ad",
   "keywords": [],
   "children": [],
   "export": [],

data/1.Java初阶/4.Java中的运算符/1.比较运算符/config.json

 {
-  "node_id": "java-e700cf94c46d4826a3b3b2c2be34e665",
+  "node_id": "java-f81239ab0b894bfcbf6624e26a8b7feb",
   "keywords": [
     "大于",
     "小于",

data/1.Java初阶/4.Java中的运算符/2.逻辑运算符/config.json

 {
-  "node_id": "java-1a208cf9b0704748b22845d2700d96e0",
+  "node_id": "java-70daa526bab0471faa4f01148acfbd46",
   "keywords": [
     "逻辑运算符",
     "组合",

data/1.Java初阶/4.Java中的运算符/3.算术运算符/config.json

 {
-  "node_id": "java-31eaa007f6904e009e5e8824c4ed0507",
+  "node_id": "java-f8d2cf0514c54c7782ca728058055b67",
   "keywords": [
     "算术运算符",
     "优先级"

data/1.Java初阶/4.Java中的运算符/config.json

 {
-  "node_id": "java-6ca25b3e376145a6afd8833ac9b8921f",
+  "node_id": "java-af3e87a1ff564216bf8a629abf88927d",
   "keywords": [],
   "children": [],
   "export": [],

data/1.Java初阶/5.选择结构语句/1.if条件语句/config.json

 {
-  "node_id": "java-8c6063c4d3e84916828fd983ea0bd212",
+  "node_id": "java-6593228b35c043ffb4616789d1b13d18",
   "keywords": [
     "条件",
     "控制",

data/1.Java初阶/5.选择结构语句/2.switch条件语句/config.json

 {
-  "node_id": "java-53341a5e0fd043e2899176a9d07e597f",
+  "node_id": "java-f96966e0c35949d39d1eab17805f3104",
   "keywords": [
     "条件",
     "控制",

data/1.Java初阶/5.选择结构语句/config.json

 {
-  "node_id": "java-1ff6eb0134fc44a3a528ae4dce554714",
+  "node_id": "java-64d93237ebeb4e25a7da69b46e5b0382",
   "keywords": [],
   "children": [],
   "export": [],

data/1.Java初阶/6.循环结构语句/1.dowhile循环/config.json

 {
-  "node_id": "java-03e8cd4b4ee44fe3abd6dc600d1b6bc1",
+  "node_id": "java-71d8079f28fb4fde91bc1a3156ac1f0f",
   "keywords": [
     "循环",
     "do",

data/1.Java初阶/6.循环结构语句/2.for循环语句/config.json

 {
-  "node_id": "java-192095130ab949feb1fd652b10ccffba",
+  "node_id": "java-e9474b337f4d4dee8fc52adbdf9a8046",
   "keywords": [
     "循环",
     "for"

data/1.Java初阶/6.循环结构语句/config.json

 {
-  "node_id": "java-7d83c1529a9b434484a6061a20a94ce8",
+  "node_id": "java-6852746f95ce495e87d3d241307207d7",
   "keywords": [],
   "children": [],
   "export": [],

data/1.Java初阶/7.集合/1.Collection接口/config.json

 {
-  "node_id": "java-780a59c5a1964fb5be810728f420b522",
+  "node_id": "java-218e8bd352484f8fa11ac90ecbbc905c",
   "keywords": [
     "集合",
     "collection"

data/1.Java初阶/7.集合/10.树集/config.json

 {
-  "node_id": "java-bf4acd7270ee44a282ca9416a11f3b70",
+  "node_id": "java-4dc2b8d29131460cbcc5bd4e3991ecde",
   "keywords": [
     "集合",
     "树"

data/1.Java初阶/7.集合/11.映射/config.json

 {
-  "node_id": "java-bcc7d15f8fd4427e8a55401d0622af6d",
+  "node_id": "java-bb218b0f20ee4c16bcaa48b535d315ce",
   "keywords": [
     "集合",
     "映射",
@@ -10,7 +10,7 @@
       "基本映射操作": {
         "keywords": [],
         "children": [],
-        "node_id": "java-9a5dfe893bcc40279a0896a5514893dd",
+        "node_id": "java-e5ffd95da6854271921fcd063a8e9474",
         "title": "基本映射操作"
       }
     },
@@ -18,7 +18,7 @@
       "更新映射条目": {
         "keywords": [],
         "children": [],
-        "node_id": "java-7b14431d609d4fd5a2c2f1303960d3dd",
+        "node_id": "java-27cbca6c546945238e456fd1402f59b4",
         "title": "更新映射条目"
       }
     },
@@ -26,7 +26,7 @@
       "映射视图": {
         "keywords": [],
         "children": [],
-        "node_id": "java-42dc24e7d9484cf0a7bd7578c4fb4661",
+        "node_id": "java-f48bf1d3221842f9b45543b1705f870c",
         "title": "映射视图"
       }
     },
@@ -34,28 +34,28 @@
       "弱散列映射": {
         "keywords": [],
         "children": [],
-        "node_id": "java-a7f1aa68d42d43dc9b5a592518261b27"
+        "node_id": "java-ad195243648f4d1b851248f893dbeadd"
       }
     },
     {
       "链接散列集与映射": {
         "keywords": [],
         "children": [],
-        "node_id": "java-12177893c90043119bdd18dca1c8f7b9"
+        "node_id": "java-d4b78c6364334984b1c8deea06e6e4d0"
       }
     },
     {
       "枚举集与映射": {
         "keywords": [],
         "children": [],
-        "node_id": "java-60e5a95187ce472ca72ae4dd87c2fa95"
+        "node_id": "java-a83f26fffc33412cac3e404b57283586"
       }
     },
     {
       "标识散列映射": {
         "keywords": [],
         "children": [],
-        "node_id": "java-d900a451137049e8bac6d8162b7837fa"
+        "node_id": "java-2f1a04fac2d742e3956e8f633d7fab60"
       }
     }
   ],

data/1.Java初阶/7.集合/12.遗留的集合/config.json

 {
-  "node_id": "java-64ad977e4aa1459084ae79287b34d11f",
+  "node_id": "java-98b609c0de1544bf955cd3e1996224f7",
   "keywords": [],
   "children": [
     {
       "属性映射": {
         "keywords": [],
         "children": [],
-        "node_id": "java-8a175778609341ca981beb26f01dc3ff",
+        "node_id": "java-192390a65e7749569e55494126db91e6",
         "title": "属性映射"
       }
     },
@@ -14,7 +14,7 @@
       "栈": {
         "keywords": [],
         "children": [],
-        "node_id": "java-3e681e1761964ba68af57158cf4a1184",
+        "node_id": "java-e133d7889d4a4eddbd93fdad42ae04a5",
         "title": "栈"
       }
     },
@@ -22,7 +22,7 @@
       "位集": {
         "keywords": [],
         "children": [],
-        "node_id": "java-0b74735a66c34deb9243f321544ab0c2",
+        "node_id": "java-cc16eefb70744aea9126a1b697d20502",
         "title": "位集"
       }
     }

data/1.Java初阶/7.集合/13.编写equals和hashCode/config.json

 {
-  "node_id": "java-2684c2f0edc940d08cc0b00516fe9a98",
+  "node_id": "java-90cabf0047784e21a0a9b7f00e9384c1",
   "keywords": [
     "判等",
     "hash",

data/1.Java初阶/7.集合/14.使用TreeMap/config.json

 {
-  "node_id": "java-5533fe796b5c4f5c880f350159aa3f52",
+  "node_id": "java-8df541994a114973ad2dd4c0b75ddd36",
   "keywords": [
     "集合",
     "TreeMap",

data/1.Java初阶/7.集合/15.使用Properties/config.json

 {
-  "node_id": "java-e8496396030e4cfc82ab252d5e5c24d1",
+  "node_id": "java-f1c333aa7bc841eba4e2f5bb6df4b144",
   "keywords": [
     "属性",
     "字典",

data/1.Java初阶/7.集合/16.使用Deque/config.json

 {
-  "node_id": "java-9bfa749c8fd6407ea395eae31b0a590a",
+  "node_id": "java-ec8164100ab240c3b447f3ca9eee34bf",
   "keywords": [
     "集合",
     "队列"

data/1.Java初阶/7.集合/2.List接口/config.json

 {
-  "node_id": "java-ac869ea4b9d445d5b1eca92662338b5d",
+  "node_id": "java-348f9c1558564ec89d650d09a3624c51",
   "keywords": [
     "集合",
     "list",
@@ -10,7 +10,7 @@
       "List接口简介": {
         "keywords": [],
         "children": [],
-        "node_id": "java-7b567a1bb1ab49f4974c96165c8070a5",
+        "node_id": "java-a65c6affd9d24c05aac81eb991fa544f",
         "title": "List接口简介"
       }
     },
@@ -18,7 +18,7 @@
       "ArrayList集合": {
         "keywords": [],
         "children": [],
-        "node_id": "java-e1d0882b11d44d298d9f19cbb40bd702",
+        "node_id": "java-e617fbd29e3e416c980229a8f23ae0a7",
         "title": "ArrayList集合"
       }
     },
@@ -26,7 +26,7 @@
       "LinkedList集合": {
         "keywords": [],
         "children": [],
-        "node_id": "java-5fc075f082944eca9c9ded7ffd3c2720",
+        "node_id": "java-8de89dae93b345ed947abe5cf9f9d572",
         "title": "LinkedList集合"
       }
     }

data/1.Java初阶/7.集合/3.Collection集合遍历/config.json

 {
-  "node_id": "java-07b7d18ada2e45f6b44241dcdedcaf36",
+  "node_id": "java-bdc0a08e3f6a4bf0b0de6b9ea01625d1",
   "keywords": [
     "集合",
     "迭代",
@@ -10,7 +10,7 @@
       "Iterator遍历集合": {
         "keywords": [],
         "children": [],
-        "node_id": "java-e768e357d1c74fd987aeda063f832027",
+        "node_id": "java-71c08f278be9482492f5746259d7fd0c",
         "title": "Iterator遍历集合"
       }
     },
@@ -18,7 +18,7 @@
       "foreach遍历集合": {
         "keywords": [],
         "children": [],
-        "node_id": "java-5b8ef73fc3cd424d8baa20cf4f40a058",
+        "node_id": "java-16725289376e4ff8ba87f63b82f362bc",
         "title": "foreach遍历集合"
       }
     },
@@ -26,7 +26,7 @@
       "JDK 8的forEach遍历集合": {
         "keywords": [],
         "children": [],
-        "node_id": "java-ac21bad4cb8644fb8c2e79a57124b786",
+        "node_id": "java-33bb9663a9e941c19e0e28bfdc9cfc0c",
         "title": "JDK 8的forEach遍历集合"
       }
     }

data/1.Java初阶/7.集合/4.Set接口/config.json

 {
-  "node_id": "java-1caba7d25a264c549455460ead1914de",
+  "node_id": "java-f772778d75db409cac92cb1ee312cccb",
   "keywords": [
     "集合",
     "set"
@@ -9,7 +9,7 @@
       "Set接口简介": {
         "keywords": [],
         "children": [],
-        "node_id": "java-7fe9efd0f29845988a340e9ca2058d56",
+        "node_id": "java-80d1ea8eb29b4d42927df1703fd18027",
         "title": "Set接口简介"
       }
     },
@@ -17,7 +17,7 @@
       "HashSet集合": {
         "keywords": [],
         "children": [],
-        "node_id": "java-b7b38aca55834aeb8811d14d23db56e6",
+        "node_id": "java-70d9c1df4141440f815dcab59fb5d2fe",
         "title": "HashSet集合"
       }
     },
@@ -25,7 +25,7 @@
       "TreeSet集合": {
         "keywords": [],
         "children": [],
-        "node_id": "java-87831236dd0343348aa1889c75f7cfa7",
+        "node_id": "java-5e236f021e0545638e9785a3dde8a870",
         "title": "TreeSet集合"
       }
     }

data/1.Java初阶/7.集合/5.Map接口/config.json

 {
-  "node_id": "java-01692980eb9f475fae272725ac32417d",
+  "node_id": "java-33a934d07e404de8aaea72d55daa3ce9",
   "keywords": [
     "集合",
     "字典",
@@ -10,7 +10,7 @@
       "Map接口简介": {
         "keywords": [],
         "children": [],
-        "node_id": "java-de6162ca0e904b8aa516bd998f6ea1dd",
+        "node_id": "java-d5f0355891b4454f959628df25004459",
         "title": "Map接口简介"
       }
     },
@@ -18,7 +18,7 @@
       "HashMap集合": {
         "keywords": [],
         "children": [],
-        "node_id": "java-3f973255f01e485abbb590f9b3afb5ce",
+        "node_id": "java-7e4b2b11a68a485e97706575f8a53995",
         "title": "HashMap集合"
       }
     },
@@ -26,7 +26,7 @@
       "Map集合遍历": {
         "keywords": [],
         "children": [],
-        "node_id": "java-c5d2b19317b7484090c2712bede32fcf",
+        "node_id": "java-4f293ef4f50f441d8e45935103f4c70f",
         "title": "Map集合遍历"
       }
     },
@@ -34,14 +34,14 @@
       "TreeMap集合": {
         "keywords": [],
         "children": [],
-        "node_id": "java-2ce95dca83724d1490add354c457cb6e"
+        "node_id": "java-90d9396d834d409181104119600f5ced"
       }
     },
     {
       "Properties集合": {
         "keywords": [],
         "children": [],
-        "node_id": "java-aa7eb0b89a874890819f8bb488e991ac"
+        "node_id": "java-4c352b41a0c1470da4a65df2e237a0c0"
       }
     }
   ],

data/1.Java初阶/7.集合/6.Java集合框架/config.json

 {
-  "node_id": "java-bb4c325a9a26431daecf186e5aa75c4f",
+  "node_id": "java-af0bf70f564b4ac68a7fadda69d55086",
   "keywords": [],
   "children": [
     {
       "集合接口与实现分离": {
         "keywords": [],
         "children": [],
-        "node_id": "java-b3b8d914efde46c3873925e60645491c",
+        "node_id": "java-077624845de241b7b7fc51ff1b596357",
         "title": "集合接口与实现分离"
       }
     },
@@ -14,7 +14,7 @@
       "泛型实用方法": {
         "keywords": [],
         "children": [],
-        "node_id": "java-c68ba4cc3d3649e98528e66126ad1493",
+        "node_id": "java-22ea8a449e214efdb7d4e7c6207ff976",
         "title": "泛型实用方法"
       }
     }

data/1.Java初阶/7.集合/7.链表/config.json

 {
-  "node_id": "java-8b417d3ac3eb493d999e5e2ee7de5823",
+  "node_id": "java-50c0e10eced549039c49293435e40ef0",
   "keywords": [
     "集合",
     "链表"

data/1.Java初阶/7.集合/8.数组列表/config.json

 {
-  "node_id": "java-28b47ba6f15947fba88d86209dad8e4e",
+  "node_id": "java-08a75e2b204c4d638240e4f36401ae0b",
   "keywords": [
     "集合",
     "ArrayList"

data/1.Java初阶/7.集合/9.散列集/config.json

 {
-  "node_id": "java-ce8ef45591f7455fab95d5781462e4c7",
+  "node_id": "java-6eb945bfd79f4e3dac367d0e8db88a40",
   "keywords": [
     "集合",
     "HashSet"

data/1.Java初阶/7.集合/config.json

 {
-  "node_id": "java-351003baf73c49ed90e423c4a6eb89ac",
+  "node_id": "java-877b5d06fd904a0d8cc08f8c47b1e3c0",
   "keywords": [],
   "children": [],
   "export": [],

data/1.Java初阶/8.操作符/1.算术操作符/config.json

 {
-  "node_id": "java-a786f8baa2ea47438037300dfddc9b8e",
+  "node_id": "java-384f969cb93145d28df617f4bcb448ff",
   "keywords": [
     "算术操作符"
   ],
@@ -8,7 +8,7 @@
       "一元加、减操作符": {
         "keywords": [],
         "children": [],
-        "node_id": "java-7859cfa21b8147bb8a80738f2f954f7e",
+        "node_id": "java-4bc48dc6ab4246bdb83adbabade26959",
         "title": "一元加、减操作符"
       }
     }

data/1.Java初阶/8.操作符/2.自动递增和递减/config.json

 {
-  "node_id": "java-c3db60f53a0249f3819470968128af94",
+  "node_id": "java-a2701de90c2c430bb4613717dad28ea7",
   "keywords": [
     "递增",
     "递减"

data/1.Java初阶/8.操作符/3.关系操作符/config.json

 {
-  "node_id": "java-f468db08637e4854b45c2f6e8ae49c3b",
+  "node_id": "java-acf4c95b6deb4a138fe7076b65db68eb",
   "keywords": [
     "关系运算"
   ],
@@ -8,7 +8,7 @@
       "测试对象的等价性": {
         "keywords": [],
         "children": [],
-        "node_id": "java-fbab166b254d47389b0089d6e96c8dd3",
+        "node_id": "java-16c4fd7348aa467e9127ba633a22a5b1",
         "title": "测试对象的等价性"
       }
     }

data/1.Java初阶/8.操作符/4.逻辑操作符/config.json

 {
-  "node_id": "java-b2305e88f5294b1a935dbfdc782b12d5",
+  "node_id": "java-1383285d96584ec093b1d02f93fe983d",
   "keywords": [
     "逻辑",
     "布尔",
@@ -11,7 +11,7 @@
       "短路": {
         "keywords": [],
         "children": [],
-        "node_id": "java-5a2b622612964c269e82c1cce20d7dda",
+        "node_id": "java-cd873cea5a47486aa325d241d78e65c3",
         "title": "短路"
       }
     }

data/1.Java初阶/8.操作符/5.按位操作符/config.json

 {
-  "node_id": "java-e705f19959c64a338b83c08c8b9994de",
+  "node_id": "java-3bf3d2855fa54c0488d83f1e8ca6e3f8",
   "keywords": [
     "位运算",
     "bit",

data/1.Java初阶/8.操作符/6.移位操作符/config.json

 {
-  "node_id": "java-326900ffcf1843c0af70c15343b86b3a",
+  "node_id": "java-f848b67ebedf465b9020a90a4dea7435",
   "keywords": [
     "位运算",
     "左移",

data/1.Java初阶/8.操作符/7.三元操作符if-else/config.json

 {
-  "node_id": "java-28a8e375f8b24d53b2c2771e2016b43e",
+  "node_id": "java-a874d6cd73524e4799e7f09a4903815f",
   "keywords": [
     "逻辑",
     "三元运算符"

data/1.Java初阶/8.操作符/8.字符串操作符 + 和 +=/config.json

 {
-  "node_id": "java-d47594e1060046938b05ae92495678f7",
+  "node_id": "java-aed19deb463244338daf71891a55b4c1",
   "keywords": [
     "字符串"
   ],

data/1.Java初阶/8.操作符/config.json

 {
-  "node_id": "java-455a80a3044144498a007d233d657fac",
+  "node_id": "java-4f70d5f63f1547bc882e57f29b2e5531",
   "keywords": [],
   "children": [
     {
       "File类的常用方法": {
         "keywords": [],
         "children": [],
-        "node_id": "java-dc3cf5fcdc854ab9b30a8fa40f85b689",
+        "node_id": "java-dd5d556c5c1c4d8e846b4c86dc20efa5",
         "title": "File类的常用方法"
       }
     },
@@ -14,7 +14,7 @@
       "遍历目录下的文件": {
         "keywords": [],
         "children": [],
-        "node_id": "java-c1217e264a7144329bd5a0e676c7c7a5",
+        "node_id": "java-bf56f83199e94ca58681a5c8faa7e629",
         "title": "遍历目录下的文件"
       }
     },
@@ -22,7 +22,7 @@
       "删除文件及目录": {
         "keywords": [],
         "children": [],
-        "node_id": "java-0724f608c21e4acb8fb178fe08842a81",
+        "node_id": "java-61ba29dce9c84bcdaca695d6758723b6",
         "title": "删除文件及目录"
       }
     },
@@ -30,56 +30,56 @@
       "创建文件对象": {
         "keywords": [],
         "children": [],
-        "node_id": "java-fcacf37e120c4439a18ba1da946ba669"
+        "node_id": "java-04e28b87bd7c4f7fb1b6dbbad86644ce"
       }
     },
     {
       "文件操作": {
         "keywords": [],
         "children": [],
-        "node_id": "java-20e3d10b106e4ffb939c8954e0eb87b9"
+        "node_id": "java-245d52da871f47b680a2df5424ee5537"
       }
     },
     {
       "文件夹操作": {
         "keywords": [],
         "children": [],
-        "node_id": "java-32e4bbe2ce494f788f53323b563363ea"
+        "node_id": "java-cc521bb4f0e9416fbc4e409d9140fde8"
       }
     },
     {
       "目录列表器": {
         "keywords": [],
         "children": [],
-        "node_id": "java-d52808509c0945a3a2d55cff15b1ef83"
+        "node_id": "java-9fa9bdffce824b308879ea5dcd122e24"
       }
     },
     {
       "目录实用工具": {
         "keywords": [],
         "children": [],
-        "node_id": "java-cd0bb2b5acbf4a19828ab9affde31050"
+        "node_id": "java-cd3380af5c62475295c52f5487315d27"
       }
     },
     {
       "目录的检查及创建": {
         "keywords": [],
         "children": [],
-        "node_id": "java-7bb5e225e718418c89735c1276f7d733"
+        "node_id": "java-4189262092324533bbdec5e27f1d1a47"
       }
     },
     {
       "文件的创建与删除": {
         "keywords": [],
         "children": [],
-        "node_id": "java-e4f22a8dd16140cf82d1ca8d673f9d9d"
+        "node_id": "java-67f067f70bfd4cfb953f82d035c482fe"
       }
     },
     {
       "获取文件信息": {
         "keywords": [],
         "children": [],
-        "node_id": "java-fb84c640196e4811811aa263ec79c3c2"
+        "node_id": "java-3105a50be8124cbab80ffb5a34e3979d"
       }
     }
   ],

data/1.Java初阶/9.控制执行流程/1.if-else/config.json

 {
-  "node_id": "java-e90e25d78e0f4f7686de5b2aa9542425",
+  "node_id": "java-d695608ab0484250b9b793667ffb4252",
   "keywords": [
     "流程控制",
     "if",

data/1.Java初阶/9.控制执行流程/2.for/config.json

 {
-  "node_id": "java-ed07245264a748ba88bda084c4a49af2",
+  "node_id": "java-9c8fa6eb2b5a4d7e93adf961c17e052b",
   "keywords": [
     "流程控制",
     "for",

data/1.Java初阶/9.控制执行流程/3.switch/config.json

 {
-  "node_id": "java-40da3260004c4df0bcb21d2696babd91",
+  "node_id": "java-27e3cd1721af45a18a0f73d80db6157c",
   "keywords": [
     "流程控制",
     "switch"

data/1.Java初阶/9.控制执行流程/4.通过异常处理错误/config.json

 {
-  "node_id": "java-1d75534b02294c87ad0bbe42882cd5fc",
+  "node_id": "java-1ee4794ed59f4680b5cd801ced6e26f0",
   "keywords": [
     "异常",
     "错误",
@@ -12,7 +12,7 @@
       "概念": {
         "keywords": [],
         "children": [],
-        "node_id": "java-04f92fa0fa5049e2ab32dbab5d19d51e",
+        "node_id": "java-22d139aee4b640beaff3f5f983c9f4e8",
         "title": "概念"
       }
     },
@@ -24,7 +24,7 @@
             "try块": {
               "keywords": [],
               "children": [],
-              "node_id": "java-3b4d8e06f2f2474b961657a37b0370e6",
+              "node_id": "java-9483eeb4d68842488b3acbc8c9764322",
               "title": "try块"
             }
           },
@@ -32,32 +32,32 @@
             "异常处理程序": {
               "keywords": [],
               "children": [],
-              "node_id": "java-874b803144524caa8102ca7750e7b4cd"
+              "node_id": "java-34829a03d7b041198477e09029c37f49"
             }
           },
           {
             "f?inally子句": {
               "keywords": [],
               "children": [],
-              "node_id": "java-a6bc70bab1814c5e9a4442638b5fb3a6"
+              "node_id": "java-27871ba11aeb4aefa542e4ac87620018"
             }
           },
           {
             "try-with-Resources语句": {
               "keywords": [],
               "children": [],
-              "node_id": "java-a7deef22e308455a8f82f774578cf8c6"
+              "node_id": "java-20c0416fd93848d182e67ffa2cc67e35"
             }
           },
           {
             "分析堆栈轨迹元素": {
               "keywords": [],
               "children": [],
-              "node_id": "java-348b03e2cf704f3d9117b5730a2c35a4"
+              "node_id": "java-fc4ca42328554153846c7ac13704d030"
             }
           }
         ],
-        "node_id": "java-436372bdcd714f248a36c523ccf37af4",
+        "node_id": "java-a2f7a14e5a2743e297ae25d808b6a5aa",
         "title": "捕获异常"
       }
     },
@@ -65,14 +65,14 @@
       "创建自定义异常": {
         "keywords": [],
         "children": [],
-        "node_id": "java-1e7380f1e8c54f1e912bdd8cb21e1d77"
+        "node_id": "java-c2463f0ab5784161a9b3c086ca8f31ff"
       }
     },
     {
       "异常说明": {
         "keywords": [],
         "children": [],
-        "node_id": "java-028b4a4f45754281a55e611e3bac583a"
+        "node_id": "java-c3aea15c0f494a078ffd747a1f3dd271"
       }
     },
     {
@@ -83,25 +83,25 @@
             "栈轨迹": {
               "keywords": [],
               "children": [],
-              "node_id": "java-d1c703f958794ebf818e288556056da7"
+              "node_id": "java-9741356278ec4ecda2af9baddde74e01"
             }
           },
           {
             "重新抛出异常": {
               "keywords": [],
               "children": [],
-              "node_id": "java-c7b39e93387445bdab719ae1668a4a93"
+              "node_id": "java-81f1f5af115648338a8ea8d11f2c0ec1"
             }
           },
           {
             "异常链": {
               "keywords": [],
               "children": [],
-              "node_id": "java-7613e54fb5dd4df5b5a852edbfbfaaa5"
+              "node_id": "java-dc3ceecd4a0943dcb4e1e18d0e6131ca"
             }
           }
         ],
-        "node_id": "java-617b8b0c85294eedaa04e3646ca6cb67"
+        "node_id": "java-e821208680094805a93e1e6f46bca86d"
       }
     },
     {
@@ -112,11 +112,11 @@
             "特例: RuntimeException（运行时异常）": {
               "keywords": [],
               "children": [],
-              "node_id": "java-691553444dfa450db57bc8b5e50826c8"
+              "node_id": "java-27967b17e29d4855907f199a4172fe9e"
             }
           }
         ],
-        "node_id": "java-bcc14692e4c14eec864e363f999b9d51"
+        "node_id": "java-cce481b5ed99444e8205d59de0c80d55"
       }
     },
     {
@@ -127,25 +127,25 @@
             "finally用来做什么": {
               "keywords": [],
               "children": [],
-              "node_id": "java-35a3a8f11c2a475fb7fb13736452a19a"
+              "node_id": "java-1d8dfbe207ab4ee289783363fabb2eef"
             }
           },
           {
             "在return中使用finally": {
               "keywords": [],
               "children": [],
-              "node_id": "java-bdedb324193c4307a7314dab466960ae"
+              "node_id": "java-2185abe1d4d947e09953dd9c0b690a30"
             }
           },
           {
             "缺憾：异常丢失": {
               "keywords": [],
               "children": [],
-              "node_id": "java-d779b96d2ef9421ba60e4f27808e769c"
+              "node_id": "java-5c49dbfd363c4a6da7c3f8b7f4f8e6e3"
             }
           }
         ],
-        "node_id": "java-7d03424b4a99431ebe22b8b295ecb6ff"
+        "node_id": "java-8cb3b3570df04f34a49497691839c64a"
       }
     },
     {
@@ -156,25 +156,25 @@
             "使用构造器执行初始化": {
               "keywords": [],
               "children": [],
-              "node_id": "java-96e6e03df507484b89836c3828c9dfea"
+              "node_id": "java-f1f617dafd7c4cff9fa6ab53a8c4a24f"
             }
           },
           {
             "构造器重载": {
               "keywords": [],
               "children": [],
-              "node_id": "java-3b89522eac5f4fe89add9f13fad18d56"
+              "node_id": "java-6774bbb97e27423090f2446f14f370b5"
             }
           }
         ],
-        "node_id": "java-d5654a19501c48d59bb8193077815c46"
+        "node_id": "java-0b5559794c0d42f6b323e0db663d4e20"
       }
     },
     {
       "异常匹配": {
         "keywords": [],
         "children": [],
-        "node_id": "java-c0520c69b8874f8dada37e55b858607a"
+        "node_id": "java-54a2a15979ac4d5db7813bb86d9d3ba4"
       }
     },
     {
@@ -185,39 +185,39 @@
             "历史": {
               "keywords": [],
               "children": [],
-              "node_id": "java-6671348d414240e590d152dd2e4e6769"
+              "node_id": "java-9fd5d926c8714cb8b533735e2516af3b"
             }
           },
           {
             "观点": {
               "keywords": [],
               "children": [],
-              "node_id": "java-5a7ea594978d4b30a9fd25b6982820af"
+              "node_id": "java-8adfa2512354498fa87e1272412372a1"
             }
           },
           {
             "把异常传递给控制台": {
               "keywords": [],
               "children": [],
-              "node_id": "java-cbd912d461004dbe9774afad16c04cfc"
+              "node_id": "java-c977e83a138c492197e596c052f61901"
             }
           },
           {
             "把“受检查异常”转换为“不受检查的异常”": {
               "keywords": [],
               "children": [],
-              "node_id": "java-57c2e32d67094e4c832eba196c5f238d"
+              "node_id": "java-b8e0c52eb6734b78b5903d46f7ed8b8d"
             }
           }
         ],
-        "node_id": "java-9ec1b538ac3849b192d9f3f47ee68fc9"
+        "node_id": "java-fcc8f860a91547a69eb95aa905a36e11"
       }
     },
     {
       "异常使用指南": {
         "keywords": [],
         "children": [],
-        "node_id": "java-e3c6185529e04d10aa03f5890b8d6ff4"
+        "node_id": "java-db2eed2dbf644d468f2b83cd15f736d2"
       }
     }
   ],

data/1.Java初阶/9.控制执行流程/5.函数/config.json

 {
-  "node_id": "java-41bd2a91b5bc4faba75c8e3e7496eaeb",
+  "node_id": "java-ffcf94730fe04ecd92196c684f3496b1",
   "keywords": [
     "函数",
     "function"

data/1.Java初阶/9.控制执行流程/config.json

 {
-  "node_id": "java-6d5d4c761b1f4ff08a81814d8341fd8b",
+  "node_id": "java-103baafcb24742d4992cc2db595e9a95",
   "keywords": [],
   "children": [],
   "export": [],

data/1.Java初阶/config.json

 {
-  "node_id": "java-1c84b22c0a9044c285bdf6b308199377",
+  "node_id": "java-4954429a60de4bb6873ccae89d58bb2d",
   "keywords": [],
   "title": "Java初阶"
 }
\ No newline at end of file

data/2.Java中阶/1.IO/1.流概述/config.json

 {
-  "node_id": "java-89f14be2c92f40afb5ec1c8ae77940bc",
+  "node_id": "java-e1c8737089d94cae84ea9ecab09b9448",
   "keywords": [
     "流",
     "stream",

data/2.Java中阶/1.IO/2.RandomAccessFile/config.json

 {
-  "node_id": "java-1b40f847cf24424d85b4ae7e48e17422",
+  "node_id": "java-f0e7b123620946dfacb89f7a0c9c1acc",
   "keywords": [
     "随机",
     "访问",

data/2.Java中阶/1.IO/3.输入输出流/config.json

 {
-  "node_id": "java-4b04dd802481472d986a24e729c14c10",
+  "node_id": "java-804ad7f6a5644463a9401eaf318912aa",
   "keywords": [
     "input",
     "output",
@@ -12,7 +12,7 @@
       "输入流": {
         "keywords": [],
         "children": [],
-        "node_id": "java-94e779e4d80b4f0baa4075e751887af9",
+        "node_id": "java-31c61c28f4f14905a0284be89b245dcf",
         "title": "输入流"
       }
     },
@@ -20,7 +20,7 @@
       "输出流": {
         "keywords": [],
         "children": [],
-        "node_id": "java-457967406b75444fb50fa3d10532d5a4",
+        "node_id": "java-de7d542804424ec0986fa6ca0fd2ec45",
         "title": "输出流"
       }
     }

data/2.Java中阶/1.IO/4.文件输入输出流/config.json

 {
-  "node_id": "java-f197e3e73bd543e9998b9165d8b75489",
+  "node_id": "java-278e7dd44bcf4edea9e1fc3cbe2b4b10",
   "keywords": [
     "file",
     "input",
@@ -15,7 +15,7 @@
       "FileInputStream类与FileOutputStream类": {
         "keywords": [],
         "children": [],
-        "node_id": "java-19cb677658ce44b485fde2312918307d",
+        "node_id": "java-0aba4828a38347a9b703e7c3ae608530",
         "title": "FileInputStream类与FileOutputStream类"
       }
     },
@@ -23,7 +23,7 @@
       "FileReader类与FileWriter类": {
         "keywords": [],
         "children": [],
-        "node_id": "java-aaf559d9184d4661b38bdecf337a4074",
+        "node_id": "java-d95e2c9886a6441d8a2cdf3710d5204e",
         "title": "FileReader类与FileWriter类"
       }
     }

data/2.Java中阶/1.IO/5.对象序列化/config.json

 {
-  "node_id": "java-a187d2bdd96c45918fef5cdac912f43c",
+  "node_id": "java-be6c0bba441f4c53bd8a274e2a7cb917",
   "keywords": [
     "序列化",
     "serialize",

data/2.Java中阶/1.IO/6.ZIP压缩输入输出流/config.json

 {
-  "node_id": "java-3fba5723c2bc410d94f47867f1823d60",
+  "node_id": "java-379430dd6ef84b66978f07619c063bad",
   "keywords": [
     "zip",
     "unzip",
@@ -15,7 +15,7 @@
       "压缩文件": {
         "keywords": [],
         "children": [],
-        "node_id": "java-c52b581fb95f4cce9b56aabc8ca2d9b8",
+        "node_id": "java-2119c3a172d24aab804d8ffaed6ddd18",
         "title": "压缩文件"
       }
     },
@@ -23,7 +23,7 @@
       "解压缩ZIP文件": {
         "keywords": [],
         "children": [],
-        "node_id": "java-9d2d218f2742480d88017f2f65e19280",
+        "node_id": "java-554dc7711b104ed9a80c5a6b7c1489ee",
         "title": "解压缩ZIP文件"
       }
     }

data/2.Java中阶/1.IO/7.InputStream类型/config.json

 {
-  "node_id": "java-244be1fae4cc4c008a8e5fa37afd9609",
+  "node_id": "java-aef1d1bfefa5418f96794bf66bb8e59c",
   "keywords": [
     "stream",
     "input",

data/2.Java中阶/1.IO/8.OutputStream类型/config.json

 {
-  "node_id": "java-8982e8e75eae4dc69016a9a674b95747",
+  "node_id": "java-95760417f20e4254b9afca36d12c6059",
   "keywords": [
     "output",
     "stream",

data/2.Java中阶/1.IO/config.json

 {
-  "node_id": "java-333081b2e89b4f95a970930a62f147a4",
+  "node_id": "java-6205d98db8c64cfaae6dced8c2f96caa",
   "keywords": [],
   "title": "IO（输入输出）"
 }
\ No newline at end of file

data/2.Java中阶/2.使用JDBC操作数据库/1.JDBC概述/config.json

 {
-  "node_id": "java-f1ab1ec51d574fb690fdb811e16c56a1",
+  "node_id": "java-e525dd82742940e49b520309333a334e",
   "keywords": [
     "jdbc",
     "驱动",
@@ -11,7 +11,7 @@
       "JDBC-ODBC桥": {
         "keywords": [],
         "children": [],
-        "node_id": "java-b983225cc5c2444cb6b171c440d6f21a",
+        "node_id": "java-5decb41b064a492db20362e136c0b2e2",
         "title": "JDBC-ODBC桥"
       }
     },
@@ -19,7 +19,7 @@
       "JDBC技术": {
         "keywords": [],
         "children": [],
-        "node_id": "java-44146e5d8c3d4ff2b09d1cba2303548b",
+        "node_id": "java-e89787459ec64fbeb80a9ba3cc7eac54",
         "title": "JDBC技术"
       }
     },
@@ -27,7 +27,7 @@
       "JDBC驱动程序的类型": {
         "keywords": [],
         "children": [],
-        "node_id": "java-911b1529015c4de7975e6fc0e72d962b",
+        "node_id": "java-df3cd40dc360446296cf9c97f3a72e61",
         "title": "JDBC驱动程序的类型"
       }
     }

data/2.Java中阶/2.使用JDBC操作数据库/2.数据库操作/config.json

 {
-  "node_id": "java-61f373c260ed436f8129853ed2b8f7ba",
+  "node_id": "java-5343c7cd78b84d08a66ee736c1eb2cc0",
   "keywords": [
     "数据库",
     "操作",
@@ -15,7 +15,7 @@
       "数据库基础": {
         "keywords": [],
         "children": [],
-        "node_id": "java-34a275b5d88c46f4bb8f88d90ab7e784",
+        "node_id": "java-6217b237af9545cb8ea45e2390827761",
         "title": "数据库基础"
       }
     },
@@ -23,7 +23,7 @@
       "数据查询": {
         "keywords": [],
         "children": [],
-        "node_id": "java-83acc291fc1a4f9c983edb7020ad0f15",
+        "node_id": "java-d836337812bc438a8c527df151870250",
         "title": "数据查询"
       }
     },
@@ -31,7 +31,7 @@
       "动态查询": {
         "keywords": [],
         "children": [],
-        "node_id": "java-231de71bc86d4667b81add114e6038c4",
+        "node_id": "java-d54f7e1e96ad44d3bf7240f694e2e53c",
         "title": "动态查询"
       }
     },
@@ -39,7 +39,7 @@
       "添加、修改、删除记录": {
         "keywords": [],
         "children": [],
-        "node_id": "java-58383f7f59c14f71a45fde1dd733359d"
+        "node_id": "java-f2f1d3facff943e9b169dbb6a43a5004"
       }
     },
     {
@@ -50,60 +50,60 @@
             "什么是数据库": {
               "keywords": [],
               "children": [],
-              "node_id": "java-a338a17c5dac465b999a1d37557e6c43"
+              "node_id": "java-668c52db99de4dad9483809106b38932"
             }
           },
           {
             "数据库的种类及功能": {
               "keywords": [],
               "children": [],
-              "node_id": "java-7b74f4b72db54d988d3a479e29ce3e01"
+              "node_id": "java-70a72823b0534f5e9bc397af6b3674f1"
             }
           },
           {
             "SQL语言": {
               "keywords": [],
               "children": [],
-              "node_id": "java-0bd1f6c4bcf140faaac4dcadc8198491"
+              "node_id": "java-93da6e5c26914eb7926261276e4b3d3c"
             }
           }
         ],
-        "node_id": "java-5bc90fd8607d494a97ab3fba68f817f9"
+        "node_id": "java-987b58f5cc48422f899ac000d51c5bae"
       }
     },
     {
       "向数据库发送SQL语句": {
         "keywords": [],
         "children": [],
-        "node_id": "java-3b0ad930ba984f7d82cbdc76c89e57f3"
+        "node_id": "java-a78e2ce00e4a443e9caccf68836c259c"
       }
     },
     {
       "处理查询结果集": {
         "keywords": [],
         "children": [],
-        "node_id": "java-188d35edba324155acce2b114485f327"
+        "node_id": "java-98f0846a37ce4528b8a44c656cbc1bef"
       }
     },
     {
       "顺序查询": {
         "keywords": [],
         "children": [],
-        "node_id": "java-6908ec81e9664056948f0a32562655a9"
+        "node_id": "java-10964bbc05c6429aa0a416ffe3d72530"
       }
     },
     {
       "模糊查询": {
         "keywords": [],
         "children": [],
-        "node_id": "java-f9a632135d2649fca027f5cdbfc65d71"
+        "node_id": "java-bb40f3c631dc4da9a045c47a5a2fcdab"
       }
     },
     {
       "预处理语句": {
         "keywords": [],
         "children": [],
-        "node_id": "java-e81c7b5b5bf54928ae8644dbc323f050"
+        "node_id": "java-d57228f74f1d4a2da114c47357729b28"
       }
     }
   ],

data/2.Java中阶/2.使用JDBC操作数据库/config.json

 {
-  "node_id": "java-4500174e46274d018951ab586dee8b3c",
+  "node_id": "java-1f18d16e22634169bb10c57300d0cbef",
   "keywords": [],
   "children": [],
   "export": [],

data/2.Java中阶/3.NIO/1.NIO概述/config.json

 {
-  "node_id": "java-0cec8f9ac5604de5b44e31c6311dac0f",
+  "node_id": "java-79ba209c09a94832a20ec6e6dec55d0c",
   "keywords": [
     "nio"
   ],

data/2.Java中阶/3.NIO/2.Buffer（缓冲器）/config.json

 {
-  "node_id": "java-771d6e7e363e4bd090205dc3579f3f65",
+  "node_id": "java-ee223c3171384d6295cbf7d95e8dba61",
   "keywords": [
     "buffer",
     "缓冲"

data/2.Java中阶/3.NIO/3.Channel（通道）/config.json

 {
-  "node_id": "java-0c832d961c2149668549165cf0f8db76",
+  "node_id": "java-bda5083be04d4d12ad140618cf67331f",
   "keywords": [
     "channel",
     "通道"

data/2.Java中阶/3.NIO/4.字符集和Charset/config.json

 {
-  "node_id": "java-b83c6191f146401eb2f1314088cc47d9",
+  "node_id": "java-11ce8b474f544b38bc0908fafa6fb58d",
   "keywords": [
     "字符集",
     "charset"

data/2.Java中阶/3.NIO/5.文件锁/config.json

 {
-  "node_id": "java-e4b0257bcd5944039c36c5913982db3d",
+  "node_id": "java-c3509c1f71e24b07ac83752ae3627286",
   "keywords": [
     "file",
     "文件",

data/2.Java中阶/3.NIO/6.Path接口/config.json

 {
-  "node_id": "java-bd86e034227740aaa568de31b3e20a82",
+  "node_id": "java-1eb6cdbd7f724f37b39038765ddc2465",
   "keywords": [
     "Paths",
     "Path",

data/2.Java中阶/3.NIO/7.Files工具类/config.json

 {
-  "node_id": "java-baf449cd986441d3bdfdf6a7930b0780",
+  "node_id": "java-08085addb1a84f1f9ffb20c893f6bc2c",
   "keywords": [
     "文件",
     "file"

data/2.Java中阶/3.NIO/config.json

 {
-  "node_id": "java-bdd7b3ef86054acf9f1ab1f14470189f",
+  "node_id": "java-9b64ef6ba2ad4aa6bc8875e178c13fd9",
   "keywords": [],
   "children": [
     {
       "数据库基础": {
         "keywords": [],
         "children": [],
-        "node_id": "java-98f0f4524e0a495a85e738e302e374ab",
+        "node_id": "java-5d2f136c78e04fa1ac236d2a9f469be2",
         "title": "数据库基础"
       }
     },
@@ -14,7 +14,7 @@
       "数据查询": {
         "keywords": [],
         "children": [],
-        "node_id": "java-df0947cdd4524e369d814c28e873580c",
+        "node_id": "java-54db58ed51fd42668ba64fbd3344461c",
         "title": "数据查询"
       }
     },
@@ -22,7 +22,7 @@
       "动态查询": {
         "keywords": [],
         "children": [],
-        "node_id": "java-d768a2db0b6440b3a7ee148ec4ef1c5e",
+        "node_id": "java-fc3d4e7b55b04c5fa07fb3fe6979a85d",
         "title": "动态查询"
       }
     },
@@ -30,7 +30,7 @@
       "添加、修改、删除记录": {
         "keywords": [],
         "children": [],
-        "node_id": "java-88b5dae6537d4be18c08fff601ba69a0"
+        "node_id": "java-5742eb0d261c4387959fb28b519ca047"
       }
     },
     {
@@ -41,60 +41,60 @@
             "什么是数据库": {
               "keywords": [],
               "children": [],
-              "node_id": "java-8a03a910343f46338a44c188ce3748c6"
+              "node_id": "java-c89fefa8e3a0491eafaad815e0152d21"
             }
           },
           {
             "数据库的种类及功能": {
               "keywords": [],
               "children": [],
-              "node_id": "java-cb27fb7bb52b49ea84eac4b5e8d4b893"
+              "node_id": "java-083ec3f2978f406888933c00494f1928"
             }
           },
           {
             "SQL语言": {
               "keywords": [],
               "children": [],
-              "node_id": "java-e15237bfb5a344a6ad222f36a39388c9"
+              "node_id": "java-a429d7c8c3f444adb145cc503f09bd08"
             }
           }
         ],
-        "node_id": "java-9c2b09fbeb3f480cb2eacc293bc72b4a"
+        "node_id": "java-66d1a230060b4fbbbae06ddd1946f9d7"
       }
     },
     {
       "向数据库发送SQL语句": {
         "keywords": [],
         "children": [],
-        "node_id": "java-5d533fedde8a4aeb8c7bafd7db5f7677"
+        "node_id": "java-7d30f61ce372426091be3a2b1c24e61a"
       }
     },
     {
       "处理查询结果集": {
         "keywords": [],
         "children": [],
-        "node_id": "java-4c9466c945f34a21a6654055afaa2671"
+        "node_id": "java-fd1a0d435bd647f09b78d73628121af4"
       }
     },
     {
       "顺序查询": {
         "keywords": [],
         "children": [],
-        "node_id": "java-c35f473fc45643359dbc41bbcb4c3957"
+        "node_id": "java-d080cbd4bc204694a83f10ac76c7ec91"
       }
     },
     {
       "模糊查询": {
         "keywords": [],
         "children": [],
-        "node_id": "java-dbae767e66c944aaa220820726331d86"
+        "node_id": "java-41d56ea85290428a93737f5ad4f8310a"
       }
     },
     {
       "预处理语句": {
         "keywords": [],
         "children": [],
-        "node_id": "java-0cca21845e3b4f0c8d53c49313d95068"
+        "node_id": "java-1c1a09999d85447caa889618896eed97"
       }
     }
   ],

data/2.Java中阶/4.网络编程/1.网络编程基础/config.json

 {
-  "node_id": "java-895174e86af2401c9f1a23e2b7d5cf7c",
+  "node_id": "java-b99a081bd1e9444ba7793989c076b3b2",
   "keywords": [
     "网络",
     "通信",
@@ -10,7 +10,7 @@
       "网络通信协议": {
         "keywords": [],
         "children": [],
-        "node_id": "java-5a182113f00f464b9a2915ef6b817ac5",
+        "node_id": "java-a79ddcf9777d4af48bc5a260933a2e82",
         "title": "网络通信协议"
       }
     },
@@ -18,7 +18,7 @@
       "IP地址和端口号": {
         "keywords": [],
         "children": [],
-        "node_id": "java-f4d18568b01145af9b4137703221d2cc",
+        "node_id": "java-37985b5801644ce4a823966c72d8db97",
         "title": "IP地址和端口号"
       }
     },
@@ -26,7 +26,7 @@
       "InetAddress": {
         "keywords": [],
         "children": [],
-        "node_id": "java-c11a56249ba743cfba833d538ba86653",
+        "node_id": "java-081281446cac46e6ace10be5b85ed596",
         "title": "InetAddress"
       }
     },
@@ -34,7 +34,7 @@
       "UDP与TCP协议": {
         "keywords": [],
         "children": [],
-        "node_id": "java-e294bf6731c94825a7355b8062547cd5"
+        "node_id": "java-2d97da4c84734adc97ef08a8f338bdd0"
       }
     }
   ],

data/2.Java中阶/4.网络编程/2.UDP通信/config.json

 {
-  "node_id": "java-6f687a5e976f45e29a0995da65ca1ca4",
+  "node_id": "java-ad7adbefa9884534b1c2b15e858b26a1",
   "keywords": [
     "network",
     "udp",
@@ -10,7 +10,7 @@
       "UDP通信简介": {
         "keywords": [],
         "children": [],
-        "node_id": "java-4ed7c86b3ae94a1580a28abd6753a089",
+        "node_id": "java-0fbfa7442076484683006362f10305cc",
         "title": "UDP通信简介"
       }
     },
@@ -18,7 +18,7 @@
       "DatagramPacket": {
         "keywords": [],
         "children": [],
-        "node_id": "java-dc23d1f8b4f64a50b0ef4557dc434960",
+        "node_id": "java-e2a796a931bf4aa7bb204a05d18dd2ca",
         "title": "DatagramPacket"
       }
     },
@@ -26,7 +26,7 @@
       "DatagramSocket": {
         "keywords": [],
         "children": [],
-        "node_id": "java-c1f8c6ed49a8437f9ecbb84ba6325f16",
+        "node_id": "java-c498a7116c9548b283eac0a3bc3e9766",
         "title": "DatagramSocket"
       }
     },
@@ -34,14 +34,14 @@
       "UDP网络程序": {
         "keywords": [],
         "children": [],
-        "node_id": "java-439d65e71287479d8982d93bcd90d864"
+        "node_id": "java-1d8a509258aa48b99c8870aa2ea2f7da"
       }
     },
     {
       "UDP案例——聊天程序": {
         "keywords": [],
         "children": [],
-        "node_id": "java-cd1fca15ce3d4ab495d223dd06ec7ed8"
+        "node_id": "java-2648409476dd4809aab31299bb47a782"
       }
     }
   ],

data/2.Java中阶/4.网络编程/3.TCP通信/config.json

 {
-  "node_id": "java-52970a2821e14acf95335961b8bc4f23",
+  "node_id": "java-bba8a2e28c33480e8570580098cd91cc",
   "keywords": [
     "network",
     "tcp"
@@ -9,7 +9,7 @@
       "TCP通信简介": {
         "keywords": [],
         "children": [],
-        "node_id": "java-5ee56d4dba664feb87461e1ecae2f14d",
+        "node_id": "java-0e32134022e94f13a89fc1536e8b7dc9",
         "title": "TCP通信简介"
       }
     },
@@ -17,7 +17,7 @@
       "ServerSocket": {
         "keywords": [],
         "children": [],
-        "node_id": "java-8716987e22b64c509d4b388226425537",
+        "node_id": "java-61d6532c567640bbb369c1880f584d47",
         "title": "ServerSocket"
       }
     },
@@ -25,7 +25,7 @@
       "Socket": {
         "keywords": [],
         "children": [],
-        "node_id": "java-cf60f51f623549a6988f964a9d3fa0f2",
+        "node_id": "java-90bf889f7fc04403aa109f638bb7bb28",
         "title": "Socket"
       }
     },
@@ -33,21 +33,21 @@
       "简单的TCP网络程序": {
         "keywords": [],
         "children": [],
-        "node_id": "java-29a73ff27493487b935bd61873df0df5"
+        "node_id": "java-c084edbe768a4d43bcf551c5d3b37fa3"
       }
     },
     {
       "多线程的TCP网络程序": {
         "keywords": [],
         "children": [],
-        "node_id": "java-593e89b7b3f14543b20ffc8b9bf1e5e3"
+        "node_id": "java-dcc1f999ffc84bb69344c2a233f516c4"
       }
     },
     {
       "TCP案例——文件上传": {
         "keywords": [],
         "children": [],
-        "node_id": "java-61d21716eea841cbbf7adf455bf5b798"
+        "node_id": "java-fcc2a6b66f9a4cbf954d86635df20a8a"
       }
     }
   ],

data/2.Java中阶/4.网络编程/4.Java的基本网络支持/config.json

 {
-  "node_id": "java-26855c6c22eb4feb9736433af314d236",
+  "node_id": "java-060dcdef58434de8b4d1711b5eca7dbe",
   "keywords": [
     "network"
   ],
@@ -8,7 +8,7 @@
       "使用URLDecoder和URLEncoder": {
         "keywords": [],
         "children": [],
-        "node_id": "java-8daee0933742497c82efd38f525aa2c3",
+        "node_id": "java-a5ada59a43024cd080ed2a7ad6ba8bb7",
         "title": "使用URLDecoder和URLEncoder"
       }
     },
@@ -16,7 +16,7 @@
       "URL、URLConnection和URLPermission": {
         "keywords": [],
         "children": [],
-        "node_id": "java-8325b9b88e6d494fa79489252e155a07",
+        "node_id": "java-9042eac8712642c98c5fc9e4a5165dc0",
         "title": "URL、URLConnection和URLPermission"
       }
     }

data/2.Java中阶/4.网络编程/5.使用代理服务器/config.json

 {
-  "node_id": "java-7d01139d98cf427b8dc3ff1f4aae8f0d",
+  "node_id": "java-b1848e5682bc42e485c839ac68bd852b",
   "keywords": [
     "network",
     "proxy"
@@ -9,7 +9,7 @@
       "直接使用Proxy创建连接": {
         "keywords": [],
         "children": [],
-        "node_id": "java-b9270e2181204c43bf182e10c7b52be2",
+        "node_id": "java-b5efe86ed01b464799fc32edc3e2862f",
         "title": "直接使用Proxy创建连接"
       }
     },
@@ -17,7 +17,7 @@
       "使用ProxySelector自动选择代理服务器": {
         "keywords": [],
         "children": [],
-        "node_id": "java-af1fd8b81844462192873da215e112fd",
+        "node_id": "java-bcc6e1c8fbe248278f3d55e61f282ec8",
         "title": "使用ProxySelector自动选择代理服务器"
       }
     }

data/2.Java中阶/4.网络编程/6.Java 11标准化的HTTP Client/config.json

 {
-  "node_id": "java-678be9a9418e4aaa8b8a18b8840b821d",
+  "node_id": "java-3d3197e6f25543b88b083186ce2ec427",
   "keywords": [
     "websocket",
     "get",
@@ -13,7 +13,7 @@
       "发送同步GET请求": {
         "keywords": [],
         "children": [],
-        "node_id": "java-142ce1bc2d0a4ef88119a2254fdb3e26",
+        "node_id": "java-f6d4f9e683b84e53ad0b1c5c2c9c4988",
         "title": "发送同步GET请求"
       }
     },
@@ -21,7 +21,7 @@
       "发送带请求体的请求": {
         "keywords": [],
         "children": [],
-        "node_id": "java-8a487dcee67b4d299a56778108b2affc",
+        "node_id": "java-f1d63ba6664747239aa3b84f697b1a84",
         "title": "发送带请求体的请求"
       }
     },
@@ -29,7 +29,7 @@
       "发送异步请求": {
         "keywords": [],
         "children": [],
-        "node_id": "java-a0b6e2452f5c4e28bf9fb6cedb0c0441",
+        "node_id": "java-d0d1295efbec421b87d66ca663629d36",
         "title": "发送异步请求"
       }
     },
@@ -37,14 +37,14 @@
       "WebSocket客户端支持": {
         "keywords": [],
         "children": [],
-        "node_id": "java-6b52889948d64d06b0089e8740eb697d"
+        "node_id": "java-c43622cc970e4f159433f441d9b3aeec"
       }
     },
     {
       "基于WebSocket的多人实时聊天": {
         "keywords": [],
         "children": [],
-        "node_id": "java-99ba1716de1147e3a75937bf4f50f646"
+        "node_id": "java-b6be48e26bf5490f8337daad17059e6c"
       }
     }
   ],

data/2.Java中阶/4.网络编程/config.json

 {
-  "node_id": "java-c641b7524a9b45fe8554cbc55f7e29f0",
+  "node_id": "java-3acf810f7b7a44e9827c1edd5aebde63",
   "keywords": [],
   "children": [],
   "export": [],

data/2.Java中阶/5.类型信息/1.Class对象/config.json

 {
-  "node_id": "java-c2866954f9e64b09bc904a06d9861213",
+  "node_id": "java-9fc47826a4df46f1b40f2d5dfd932d03",
   "keywords": [
     "class",
     "类",
@@ -10,7 +10,7 @@
       "类字面常量": {
         "keywords": [],
         "children": [],
-        "node_id": "java-5a98dced094d40e6baf2b9e7c7022cac",
+        "node_id": "java-16ceaee391ff4ec0a520211b5d0dc506",
         "title": "类字面常量"
       }
     },
@@ -18,7 +18,7 @@
       "泛化的Class引用": {
         "keywords": [],
         "children": [],
-        "node_id": "java-9ac3dc7899264da6854ae9594a921498",
+        "node_id": "java-e2c66e3ba49746de87779dcab4a686f7",
         "title": "泛化的Class引用"
       }
     },
@@ -26,7 +26,7 @@
       "新的转型语法": {
         "keywords": [],
         "children": [],
-        "node_id": "java-2d515b9c34ec4f2db1beb73cc105e1d2",
+        "node_id": "java-27e7ea709e5b448fbd0dcadb70d425b6",
         "title": "新的转型语法"
       }
     }

data/2.Java中阶/5.类型信息/2.类型转换前先做检查/config.json

 {
-  "node_id": "java-213caf5e747b4a0e83ca1243d3f04c1e",
+  "node_id": "java-cae01437e592476297c0d7bce89505d5",
   "keywords": [
     "instanceof",
     "类型"
@@ -9,7 +9,7 @@
       "使用类字面常量": {
         "keywords": [],
         "children": [],
-        "node_id": "java-f9275188731f422396256492a3411f11",
+        "node_id": "java-5d348625455e40ba82b46a569d3c9719",
         "title": "使用类字面常量"
       }
     },
@@ -17,7 +17,7 @@
       "动态instanceof": {
         "keywords": [],
         "children": [],
-        "node_id": "java-f90601e2868b48c991ce34952d0cb079",
+        "node_id": "java-92f8dd9e046b407481302197423e95aa",
         "title": "动态instanceof"
       }
     },
@@ -25,7 +25,7 @@
       "递归计数": {
         "keywords": [],
         "children": [],
-        "node_id": "java-728b88cb3c1a4b1fab1ad7927f4140e7",
+        "node_id": "java-a66273b2dcdf46249ceb1b88cd3c90cb",
         "title": "递归计数"
       }
     }

data/2.Java中阶/5.类型信息/3.instanceof与Class的等价性/config.json

 {
-  "node_id": "java-839a73537adb4d5889ffef07b119c7bc",
+  "node_id": "java-1a20843259da4f4db3d64a422ed5c936",
   "keywords": [
     "类型"
   ],

data/2.Java中阶/5.类型信息/4.反射：运行时类信息/config.json

 {
-  "node_id": "java-2a4d9777557c4dc0a1e58e9278a4c758",
+  "node_id": "java-cc942f61388f4bd4ac0434bc15cd2fb6",
   "keywords": [
     "annotation",
     "标注"
@@ -9,7 +9,7 @@
       "类方法抽取器": {
         "keywords": [],
         "children": [],
-        "node_id": "java-adc3a06cd45f408198a4b358480b0ead",
+        "node_id": "java-5149ec714a624c8da96f195b7de73419",
         "title": "类方法抽取器"
       }
     },
@@ -21,7 +21,7 @@
             "访问构造方法": {
               "keywords": [],
               "children": [],
-              "node_id": "java-953bd86e37ed4b11b7548d21447658a7",
+              "node_id": "java-6dd73a33a7aa42f8b60f237a539568fe",
               "title": "访问构造方法"
             }
           },
@@ -29,18 +29,18 @@
             "访问成员变量": {
               "keywords": [],
               "children": [],
-              "node_id": "java-2be7f7718eca4c2f948af3ae2169241c"
+              "node_id": "java-5dd955d5f50747feb3ed19c8ee1ba8b2"
             }
           },
           {
             "访问方法": {
               "keywords": [],
               "children": [],
-              "node_id": "java-97b5491e602542a398acbe81e9e7abaf"
+              "node_id": "java-c9513a7b28ec47bfa13c0656e7196f55"
             }
           }
         ],
-        "node_id": "java-fbdf9fd1bc8a45ce904a8000cdbe59bd",
+        "node_id": "java-9be972504f4440079f535753d8d73811",
         "title": "Class类与Java反射"
       }
     },
@@ -52,81 +52,81 @@
             "定义Annotation类型": {
               "keywords": [],
               "children": [],
-              "node_id": "java-f7c87b35452f4987be547345093bc0c1"
+              "node_id": "java-e06a14d142c04858a017baf0ab1adf29"
             }
           },
           {
             "访问Annotation信息": {
               "keywords": [],
               "children": [],
-              "node_id": "java-190702f4d4e0427c9fb1a0288a96ec88"
+              "node_id": "java-f8aa68a5a30f450ca21af672448a653f"
             }
           }
         ],
-        "node_id": "java-e15896b9680f4c2f89170b6a3df4bc39"
+        "node_id": "java-f288867c2d654836b9d93af8790b67b0"
       }
     },
     {
       "声明异常入门": {
         "keywords": [],
         "children": [],
-        "node_id": "java-6446e8a6a5854ab3abe97f834a7375af"
+        "node_id": "java-d35d19ec1d154b9d9e6e06a147305f9e"
       }
     },
     {
       "资源": {
         "keywords": [],
         "children": [],
-        "node_id": "java-99edafba831e436890ab3b03fcc5dc7e"
+        "node_id": "java-c03a7a45c5c246ceba0ac3df1e426fb6"
       }
     },
     {
       "利用反射分析类的能力": {
         "keywords": [],
         "children": [],
-        "node_id": "java-caa8d116368c4022894575e4e05bf9cb"
+        "node_id": "java-170ca43f1b46492d94594937635cda12"
       }
     },
     {
       "使用反射在运行时分析": {
         "keywords": [],
         "children": [],
-        "node_id": "java-534916a23744490384c7614530ef0dd8"
+        "node_id": "java-046f5ea7441847a0be59cd9b07cefa2c"
       }
     },
     {
       "使用反射编写泛型数组": {
         "keywords": [],
         "children": [],
-        "node_id": "java-af5136c8ee7c47a786e456bcd8691ff8"
+        "node_id": "java-0a28c7f21a6a4a48ba3ad52eb364410f"
       }
     },
     {
       "访问字段": {
         "keywords": [],
         "children": [],
-        "node_id": "java-4bc4591f4f7c4e728774eb96d7ac7181"
+        "node_id": "java-111c415f827c4db698e003a2365357e9"
       }
     },
     {
       "调用方法": {
         "keywords": [],
         "children": [],
-        "node_id": "java-cc1e8c9e4c4e4b6ea32a8d439525c4ef"
+        "node_id": "java-6a24720b8a4c4102aef7aa8c5ddeb870"
       }
     },
     {
       "调用构造方法": {
         "keywords": [],
         "children": [],
-        "node_id": "java-b6a986bfc2b446f49c30908cd1e8fb0e"
+        "node_id": "java-d7ab012406a049518931e809cc364c81"
       }
     },
     {
       "获取继承关系": {
         "keywords": [],
         "children": [],
-        "node_id": "java-3f6a219e0d9b4a128f188bc1175d64ab"
+        "node_id": "java-9e70bf59fb9d4a52b22981b15001f420"
       }
     }
   ],

data/2.Java中阶/5.类型信息/5.动态代理/config.json

 {
-  "node_id": "java-a35d9e84d0864315b92e1929b18bac1f",
+  "node_id": "java-f079a49449c8434ab6c81e9e0dc250a3",
   "keywords": [
     "proxy"
   ],

data/2.Java中阶/5.类型信息/6.空对象/config.json

 {
-  "node_id": "java-df75b8fe49674dadab913e4b2c350630",
+  "node_id": "java-d4b3c48d08fe4bba984b37412d2c9374",
   "keywords": [
     "空对象"
   ],
@@ -8,7 +8,7 @@
       "模拟对象与桩": {
         "keywords": [],
         "children": [],
-        "node_id": "java-af111b3a5b0e4ce4b0e387647eebceb8",
+        "node_id": "java-79ecb6c77f734cbaba7264deb8ca2a22",
         "title": "模拟对象与桩"
       }
     }

data/2.Java中阶/5.类型信息/config.json

 {
-  "node_id": "java-d83a5eccb5f345d083ca02e38728c22d",
+  "node_id": "java-55dc68cbe8c045b284bed1584080cddb",
   "keywords": [],
   "children": [
     {
       "发送同步GET请求": {
         "keywords": [],
         "children": [],
-        "node_id": "java-4739c718ad2e411dbacb13152fdf5b73",
+        "node_id": "java-fbc4fe4a64f348f8b21daf95084098ce",
         "title": "发送同步GET请求"
       }
     },
@@ -14,7 +14,7 @@
       "发送带请求体的请求": {
         "keywords": [],
         "children": [],
-        "node_id": "java-c8d32de6c2f44b60892c109c628fe1b3",
+        "node_id": "java-fabec97a784943e5a5a045f62ceae716",
         "title": "发送带请求体的请求"
       }
     },
@@ -22,7 +22,7 @@
       "发送异步请求": {
         "keywords": [],
         "children": [],
-        "node_id": "java-3c22a36166124766a5a0add3cc5ec9e1",
+        "node_id": "java-388099373c8944e599ea0e9a687d3d89",
         "title": "发送异步请求"
       }
     },
@@ -30,14 +30,14 @@
       "WebSocket客户端支持": {
         "keywords": [],
         "children": [],
-        "node_id": "java-2ee6915b566642a4b48a1c9cce97cdb8"
+        "node_id": "java-e633f953bed24b12bd896c57c5252454"
       }
     },
     {
       "基于WebSocket的多人实时聊天": {
         "keywords": [],
         "children": [],
-        "node_id": "java-8b5f2e5e2fe449c08ee6dbee368a9829"
+        "node_id": "java-9f2893007ace496b908b5693c7c3c89c"
       }
     }
   ],

data/2.Java中阶/6.深入研究容器/1.Collection的功能方法/config.json

 {
-  "node_id": "java-ef4a5d5c517b46f7a2bbb385afd87aff",
+  "node_id": "java-20cad95081b4475aaac1c1ebf7af0253",
   "keywords": [],
   "children": [],
   "export": [