import{_ as s}from"./plugin-vue_export-helper.21dcd24c.js";import{r as t,o as i,c as o,a as e,b as c,e as p,d as n}from"./app.61235059.js";const d={},l=p(`

4\u4E2A\u9AD8\u7EA7\u7684IntelliJ IDEA\u8C03\u8BD5\u6280\u5DE7

\u5927\u5BB6\u597D\uFF0C\u6211\u662F\u4E8C\u54E5\uFF01

\u4ECA\u5929\u7ED9\u5927\u5BB6\u5E26\u6765\u51E0\u4E2A\u6211\u65E5\u5E38\u5DE5\u4F5C\u4EE5\u53CA\u9605\u8BFB\u6E90\u7801\u5FC5\u5907\u7684 IntelliJ IDEA \u9AD8\u7EA7\u8C03\u8BD5\u6280\u5DE7\uFF0C\u5206\u5206\u949F\u8981\u8D77\u98DE\u7684\u8282\u594F\u3002

\u65AD\u70B9\u5904\u6DFB\u52A0 log

\u5F88\u591A\u7A0B\u5E8F\u5458\u5728\u8C03\u8BD5\u4EE3\u7801\u65F6\u90FD\u559C\u6B22\xA0print\xA0\u4E00\u4E9B\u5185\u5BB9\uFF0C\u8FD9\u6837\u770B\u8D77\u6765\u66F4\u76F4\u89C2\uFF0Cprint \u5B8C\u4E4B\u540E\u53C8\u5F88\u5BB9\u6613\u5FD8\u8BB0\u5220\u9664\u6389\u8FD9\u4E9B\u6CA1\u7528\u7684\u5185\u5BB9\uFF0C\u6700\u7EC8\u5C06\u4EE3\u7801\u63D0\u4EA4\u5230\xA0remote\uFF0Ccode review \u65F6\u53C8\u4E0D\u5F97\u4E0D\u5220\u51CF\u8FD9\u4E9B\u5185\u5BB9\u91CD\u65B0\u63D0\u4EA4\uFF0C\u4E0D\u4F46\u589E\u52A0\u4E0D\u5FC5\u8981\u7684\u5DE5\u4F5C\u91CF\uFF0C\u8FD8\u8BA9\xA0log tree\xA0\u7684\u4E00\u4E9B\u8282\u70B9\u6CA1\u6709\u4EFB\u4F55\u4EF7\u503C

IntelliJ IDEA \u63D0\u4F9B\xA0Evaluate and Log at Breakpoints\xA0\u529F\u80FD\u6070\u5DE7\u53EF\u4EE5\u5E2E\u52A9\u6211\u4EEC\u89E3\u51B3\u8FD9\u4E2A\u95EE\u9898, \u6765\u770B\u4E0B\u9762\u4EE3\u7801\uFF1A

public static void main(String[] args) {
  ThreadLocalRandom random = ThreadLocalRandom.current();
  int count = 0;
  for (int i = 0; i < 5; i++) {
   if (isInterested(random.nextInt(10))) {
    count++;
   }
  }
  System.out.printf("Found %d interested values%n", count);
 }

 private static boolean isInterested(int i) {
  return i % 2 == 0;
 }

\u5047\u5982\u6211\u4EEC\u60F3\u5728\u7B2C 15 \u884C\u67E5\u770B\u6BCF\u6B21\u8C03\u7528\uFF0C\u968F\u5373\u51FA\u6765\u7684 i \u7684\u503C\u5230\u5E95\u662F\u591A\u5C11\uFF0C\u6211\u4EEC\u6CA1\u5FC5\u8981\u5728\u8FD9\u4E2A\u5730\u65B9\u6DFB\u52A0\u4EFB\u4F55 log\uFF0C\u5728\u6B63\u5E38\u52A0\u65AD\u70B9\u7684\u5730\u65B9\u4F7F\u7528\u5FEB\u6377\u952E\xA0Shift + \u9F20\u6807\u5DE6\u952E\uFF0C\u5C31\u4F1A\u5F39\u51FA\u4E0B\u9762\u7684\u5185\u5BB9

\u52FE\u9009\u4E0A\xA0Evaluate and log, \u5E76\u81EA\u5B9A\u4E49\u4F60\u60F3\u67E5\u770B\u7684 log/\u53D8\u91CF\uFF0C\u6BD4\u5982\u8FD9\u91CC\u7684\xA0"interested" + i, \u8FD9\u6837\u4EE5 Debug \u6A21\u5F0F\u8FD0\u884C\u7A0B\u5E8F\uFF08\u6B63\u5E38\u6A21\u5F0F\u8FD0\u884C\uFF0C\u4E0D\u4F1A\u6253\u5370\u8FD9\u4E9B log\uFF09\uFF1A

interested 7
interested 5
interested 1
interested 2
interested 0
Found 2 interested values

\u5982\u679C\u4F60\u5728\u591A\u5904\u6DFB\u52A0\u4E86\u8FD9\u79CD\u65AD\u70B9\uFF0C\u7B80\u5355\u7684\u770B log \u53EF\u80FD\u5076\u5C14\u8FD8\u662F\u4E0D\u591F\u76F4\u89C2\uFF0C\u53EF\u4EE5\u52FE\u9009\u4E0A\u9762\u56FE\u7247\u7EFF\u8272\u6846\u7EBF\u7684\xA0"Breakpoint hit" message\xA0:

Breakpoint reached at top.dayarch.TestDebug.isInterested(TestDebug.java:49)
interested 6
Breakpoint reached at top.dayarch.TestDebug.isInterested(TestDebug.java:49)
interested 0
Breakpoint reached at top.dayarch.TestDebug.isInterested(TestDebug.java:49)
interested 9
Breakpoint reached at top.dayarch.TestDebug.isInterested(TestDebug.java:49)
interested 8
Breakpoint reached at top.dayarch.TestDebug.isInterested(TestDebug.java:49)
interested 1
Found 3 interested values
Disconnected from the target VM, address: '127.0.0.1:0', transport: 'socket'

Process finished with exit code

\u5982\u679C\u4F60\u60F3\u8981\u66F4\u8BE6\u7EC6\u7684\u4FE1\u606F\uFF0C\u90A3\u5C31\u52FE\u9009\u4E0A\xA0Stack trace\xA0(\u5927\u5BB6\u81EA\u5DF1\u67E5\u770B\u8FD0\u884C\u7ED3\u679C\u5427)\uFF0C\u6709\u4E86\u8FD9\u4E2A\u529F\u80FD\uFF0C\u4E0A\u9762\u8BF4\u7684\u4E00\u4E9B\u95EE\u9898\u90FD\u4E0D\u590D\u5B58\u5728\u4E86

\u5B57\u6BB5\u65AD\u70B9

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\u6211\u4EEC\u53EF\u4EE5\u5728 IntelliJ IDEA \u4E2D\u4E3A\u67D0\u4E2A\u5B57\u6BB5\u6DFB\u52A0\u65AD\u70B9\uFF0C\u5F53\u5B57\u6BB5\u503C\u6709\u4FEE\u6539\u65F6\uFF0C\u81EA\u52A8\u8DF3\u5230\u76F8\u5E94\u65B9\u6CD5\u4F4D\u7F6E

\u4F7F\u7528\u8D77\u6765\u5F88\u7B80\u5355\uFF1A

  1. \u5728\u5B57\u6BB5\u5B9A\u4E49\u5904\u9F20\u6807\u5DE6\u952E\u6DFB\u52A0\u65AD\u70B9\uFF08\u4F1A\u51FA\u73B0\u300C\u773C\u775B\u300D\u7684\u56FE\u6807\uFF09
  2. \u5728\u300C\u773C\u775B\u300D\u56FE\u6807\u4E0A\u9F20\u6807\u53F3\u952E
  3. \u5728\u5F39\u6846\u4E2D\u52FE\u9009\u4E0AField access\xA0\u548CField modification\xA0\u4E24\u4E2A\u9009\u9879

image.gif

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\u8FD9\u65F6\u6211\u4EEC\u5C31\u7528\u5230\u4E86\xA0Exception Breakpoints, \u5F53\u629B\u51FA\u5F02\u5E38\u65F6\uFF0C\u5728 catch \u7684\u5730\u65B9\u6253\u4E0A\u65AD\u70B9\uFF0C\u53EF\u4EE5\u901A\u8FC7\u4E0B\u56FE\u7684\u51E0\u4E2A\u4F4D\u7F6E\u83B7\u53D6\u6808\u9876\u5F02\u5E38\u7C7B\u578B\uFF0C\u6BD4\u5982\u8FD9\u91CC\u7684\xA0NumberFormatException

\u77E5\u9053\u5F02\u5E38\u7C7B\u578B\u540E\uFF0C\u5C31\u53EF\u4EE5\u6309\u7167\u5982\u4E0B\u6B65\u9AA4\u6DFB\u52A0\u5F02\u5E38\u65AD\u70B9\u4E86\uFF1A

\u7136\u540E\u5728\u5F39\u6846\u4E2D\u9009\u62E9 NumberFormatException

\u91CD\u65B0\u4EE5 Debug \u6A21\u5F0F\u8FD0\u884C\u7A0B\u5E8F\uFF1A

\u7A0B\u5E8F\u300C\u4E00\u8DEF\u7EFF\u706F\u5F0F\u300D\u5B9A\u4F4D\u5230\u629B\u51FA\u5F02\u5E38\u7684\u4F4D\u7F6E\uFF0C\u540C\u65F6\u6307\u51FA\u5F53\u65F6\u7684\u53D8\u91CF\u4FE1\u606F\uFF0C\u4E09\u4E2A\u5B57\uFF1A\u7A33\uFF0C\u51C6\uFF0C\u72E0\uFF0C\u8FD8\u6709\u8C01\uFF1F

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  1. \u9F20\u6807\u5DE6\u952E\u5728\u65B9\u6CD5\u5904\u70B9\u51FB\u65AD\u70B9\uFF08\u2666\uFE0F\u5F62\u72B6\uFF09
  2. \u65AD\u70B9\u4E0A\u9F20\u6807\u53F3\u952E

\u52FE\u9009\u4E0A\u7EFF\u8272\u6846\u7EBF\u4E0A\u7684\u5185\u5BB9\uFF0C\u540C\u6837\u53EF\u4EE5\u81EA\u5B9A\u4E49\u8DF3\u8F6C\u6761\u4EF6 Condition

\u5F53\u4EE5 Debug \u6A21\u5F0F\u8FD0\u884C\u7A0B\u5E8F\u7684\u65F6\u5019\uFF0C\u4F1A\u81EA\u52A8\u8FDB\u5165\u5B9E\u73B0\u7C7B\u7684\u65B9\u6CD5\uFF08\u6CE8\u610F\u65AD\u70B9\u5F62\u72B6\uFF09\uFF1A

\u770B\u5230\u8FD9\u4F60\u5E94\u8BE5\u60F3\u5230\u5E38\u89C1\u7684 Runnable \u63A5\u53E3\u4E2D\u7684 run \u65B9\u6CD5\u4E86\uFF0C\u540C\u6837\u662F\u6709\u4F5C\u7528\u7684\uFF0C\u5927\u5BB6\u53EF\u4EE5\u81EA\u884C\u53BB\u5C1D\u8BD5\u4E86

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`,45),r=n("\u4F5C\u8005\uFF1Atan\u65E5\u62F1\u4E00\u5175\uFF0C\u8F6C\u8F7D\u94FE\u63A5\uFF1A"),u={href:"https://mp.weixin.qq.com/s/KG0yzb_9XhhTSzjHr4DkIQ",target:"_blank",rel:"noopener noreferrer"},b=n("https://mp.weixin.qq.com/s/KG0yzb_9XhhTSzjHr4DkIQ"),k=e("p",null,[e("img",{src:"http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png",alt:""})],-1);function v(m,g){const a=t("ExternalLinkIcon");return i(),o("div",null,[l,e("blockquote",null,[e("p",null,[r,e("a",u,[b,c(a)])])]),k])}var j=s(d,[["render",v],["__file","4-debug-skill.html.vue"]]);export{j as default};