add question

data/2.Java中阶/5.NIO/1.NIO概述/NIOAbstract.json

+{
+    "type": "code_options",
+    "author": "clong",
+    "source": "NIOAbstract.md",
+    "exercise_id": "",
+    "notebook_enable": true
+}
\ No newline at end of file

data/2.Java中阶/5.NIO/1.NIO概述/NIOAbstract.md

+# NIO Abstract
+
+
+以下关于 `NIO` 的说法错误的是：
+
+
+## 答案
+
+```
+NIO与传统IO变化不大
+```
+
+## 选项
+
+### A
+
+```
+NIO全称是no-blocking io
+```
+
+### B
+
+```
+NIO是面向缓冲区的
+```
+
+### C
+
+```
+NIO是非阻塞IO
+```
+

data/2.Java中阶/5.NIO/1.NIO概述/config.json

@@ -2,6 +2,6 @@
   "node_id": "java-5daee2a48ed2413fa38467811ea5ee23",
   "keywords": [],
   "children": [],
-  "export": [],
+  "export": ["NIOAbstract.json"],
   "title": "NIO概述"
 }
\ No newline at end of file