{"id":39078,"date":"2023-12-11T14:46:21","date_gmt":"2023-12-11T06:46:21","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=39078"},"modified":"2023-12-11T14:46:21","modified_gmt":"2023-12-11T06:46:21","slug":"%e8%af%b7%e5%88%97%e4%b8%be%e4%b8%80%e4%b8%8b%e5%90%af%e5%8a%a8%e7%ba%bf%e7%a8%8b%e6%9c%89%e5%93%aa%e5%87%a0%e7%a7%8d%e6%96%b9%e5%bc%8f%ef%bc%8c%e4%b9%8b%e5%90%8e%e5%86%8d%e8%af%b4%e6%98%8e%e4%b8%80","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/%e8%af%b7%e5%88%97%e4%b8%be%e4%b8%80%e4%b8%8b%e5%90%af%e5%8a%a8%e7%ba%bf%e7%a8%8b%e6%9c%89%e5%93%aa%e5%87%a0%e7%a7%8d%e6%96%b9%e5%bc%8f%ef%bc%8c%e4%b9%8b%e5%90%8e%e5%86%8d%e8%af%b4%e6%98%8e%e4%b8%80\/","title":{"rendered":"\u8bf7\u5217\u4e3e\u4e00\u4e0b\u542f\u52a8\u7ebf\u7a0b\u6709\u54ea\u51e0\u79cd\u65b9\u5f0f\uff0c\u4e4b\u540e\u518d\u8bf4\u660e\u4e00\u4e0b\u7ebf\u7a0b\u6c60\u7684\u79cd\u7c7b\u90fd\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"

“`” \u8003\u5bdf\u70b9\uff1a\u7ebf\u7a0b\u6c60<\/p>\n

\u2460\u542f\u52a8\u7ebf\u7a0b\u6709\u5982\u4e0b\u4e09\u79cd\u65b9\u5f0f\uff1a<\/p>\n

\u4e00\u3001\u7ee7\u627fThread\u7c7b\u521b\u5efa\u7ebf\u7a0b\u7c7b<\/p>\n

\uff081\uff09\u5b9a\u4e49Thread\u7c7b\u7684\u5b50\u7c7b\uff0c\u5e76\u91cd\u5199\u8be5\u7c7b\u7684run\u65b9\u6cd5\uff0c\u8be5run\u65b9\u6cd5\u7684\u65b9\u6cd5\u4f53\u5c31\u4ee3\u8868\u4e86\u7ebf\u7a0b\u8981\u5b8c\u6210\u7684\u4efb\u52a1\u3002\u56e0\u6b64\u628arun()\u65b9\u6cd5\u79f0\u4e3a\u6267\u884c\u4f53\u3002<\/p>\n

\uff082\uff09\u521b\u5efaThread\u5b50\u7c7b\u7684\u5b9e\u4f8b\uff0c\u5373\u521b\u5efa\u4e86\u7ebf\u7a0b\u5bf9\u8c61\u3002<\/p>\n

\uff083\uff09\u8c03\u7528\u7ebf\u7a0b\u5bf9\u8c61\u7684start()\u65b9\u6cd5\u6765\u542f\u52a8\u8be5\u7ebf\u7a0b\u3002<\/p>\n

\u4ee3\u7801\uff1a<\/p>\n

<pre><code class=""language-java"" lang=""java"">package com.thread;
\npublic class FirstThreadTest extends Thread{
\n int i = 0;
\n \/\/\u91cd\u5199run\u65b9\u6cd5\uff0crun\u65b9\u6cd5\u7684\u65b9\u6cd5\u4f53\u5c31\u662f\u73b0\u573a\u6267\u884c\u4f53
\n public void run()
\n {
\n for(;i<100;i++){
\n System.out.println(getName()+"" ""+i);<\/p>\n

}
\n }
\n public static void main(String[] args)
\n {
\n for(int i = 0;i< 100;i++)
\n {
\n System.out.println(Thread.currentThread().getName()+"" : ""+i);
\n if(i==20)
\n {
\n new FirstThreadTest().start();
\n new FirstThreadTest().start();
\n }
\n }
\n }<\/p>\n

}
\n<\/code><\/pre><\/p>\n

\u4e0a\u8ff0\u4ee3\u7801\u4e2dThread.currentThread()\u65b9\u6cd5\u8fd4\u56de\u5f53\u524d\u6b63\u5728\u6267\u884c\u7684\u7ebf\u7a0b\u5bf9\u8c61\u3002GetName()\u65b9\u6cd5\u8fd4\u56de\u8c03\u7528\u8be5\u65b9\u6cd5\u7684\u7ebf\u7a0b\u7684\u540d\u5b57\u3002<\/p>\n

\u4e8c\u3001\u901a\u8fc7Runnable\u63a5\u53e3\u521b\u5efa\u7ebf\u7a0b\u7c7b<\/p>\n

\uff081\uff09\u5b9a\u4e49runnable\u63a5\u53e3\u7684\u5b9e\u73b0\u7c7b\uff0c\u5e76\u91cd\u5199\u8be5\u63a5\u53e3\u7684run()\u65b9\u6cd5\uff0c\u8be5run()\u65b9\u6cd5\u7684\u65b9\u6cd5\u4f53\u540c\u6837\u662f\u8be5\u7ebf\u7a0b\u7684\u7ebf\u7a0b\u6267\u884c\u4f53\u3002<\/p>\n

\uff082\uff09\u521b\u5efa Runnable\u5b9e\u73b0\u7c7b\u7684\u5b9e\u4f8b\uff0c\u5e76\u4f9d\u6b64\u5b9e\u4f8b\u4f5c\u4e3aThread\u7684target\u6765\u521b\u5efaThread\u5bf9\u8c61\uff0c\u8be5Thread\u5bf9\u8c61\u624d\u662f\u771f\u6b63\u7684\u7ebf\u7a0b\u5bf9\u8c61\u3002<\/p>\n

\uff083\uff09\u8c03\u7528\u7ebf\u7a0b\u5bf9\u8c61\u7684start()\u65b9\u6cd5\u6765\u542f\u52a8\u8be5\u7ebf\u7a0b\u3002<\/p>\n

\u4ee3\u7801\uff1a<\/p>\n

<pre><code class=""language-java"" lang=""java"">package com.thread;<\/p>\n

public class RunnableThreadTest implements Runnable
\n{<\/p>\n

private int i;
\n public void run()
\n {
\n for(i = 0;i <100;i++)
\n {
\n System.out.println(Thread.currentThread().getName()+"" ""+i);
\n }
\n }
\n public static void main(String[] args)
\n {
\n for(int i = 0;i < 100;i++)
\n {
\n System.out.println(Thread.currentThread().getName()+"" ""+i);
\n if(i==20)
\n {
\n RunnableThreadTest rtt = new RunnableThreadTest();
\n new Thread(rtt,""\u65b0\u7ebf\u7a0b1"").start();
\n new Thread(rtt,""\u65b0\u7ebf\u7a0b2"").start();
\n }
\n }<\/p>\n

}<\/p>\n

}
\n<\/code><\/pre><\/p>\n

\u4e09\u3001\u901a\u8fc7Callable\u548cFuture\u521b\u5efa\u7ebf\u7a0b<\/p>\n

\uff081\uff09\u521b\u5efaCallable\u63a5\u53e3\u7684\u5b9e\u73b0\u7c7b\uff0c\u5e76\u5b9e\u73b0call()\u65b9\u6cd5\uff0c\u8be5call()\u65b9\u6cd5\u5c06\u4f5c\u4e3a\u7ebf\u7a0b\u6267\u884c\u4f53\uff0c\u5e76\u4e14\u6709\u8fd4\u56de\u503c\u3002<\/p>\n

\uff082\uff09\u521b\u5efaCallable\u5b9e\u73b0\u7c7b\u7684\u5b9e\u4f8b\uff0c\u4f7f\u7528FutureTask\u7c7b\u6765\u5305\u88c5Callable\u5bf9\u8c61\uff0c\u8be5FutureTask\u5bf9\u8c61\u5c01\u88c5\u4e86\u8be5Callable\u5bf9\u8c61\u7684call()\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u3002<\/p>\n

\uff083\uff09\u4f7f\u7528FutureTask\u5bf9\u8c61\u4f5c\u4e3aThread\u5bf9\u8c61\u7684target\u521b\u5efa\u5e76\u542f\u52a8\u65b0\u7ebf\u7a0b\u3002<\/p>\n

\uff084\uff09\u8c03\u7528FutureTask\u5bf9\u8c61\u7684get()\u65b9\u6cd5\u6765\u83b7\u5f97\u5b50\u7ebf\u7a0b\u6267\u884c\u7ed3\u675f\u540e\u7684\u8fd4\u56de\u503c<\/p>\n

\u4ee3\u7801\uff1a<\/p>\n

<pre><code class=""language-java"" lang=""java"">package com.thread;
\nimport java.util.concurrent.Callable;
\nimport java.util.concurrent.ExecutionException;
\nimport java.util.concurrent.FutureTask;<\/p>\n

public class CallableThreadTest implements Callable<Integer>
\n{<\/p>\n

public static void main(String[] args)
\n {
\n CallableThreadTest ctt = new CallableThreadTest();
\n FutureTask<Integer> ft = new FutureTask<>(ctt);
\n for(int i = 0;i < 100;i++)
\n {
\n System.out.println(Thread.currentThread().getName()+"" \u7684\u5faa\u73af\u53d8\u91cfi\u7684\u503c""+i);
\n if(i==20)
\n {
\n new Thread(ft,""\u6709\u8fd4\u56de\u503c\u7684\u7ebf\u7a0b"").start();
\n }
\n }
\n try
\n {
\n System.out.println(""\u5b50\u7ebf\u7a0b\u7684\u8fd4\u56de\u503c\uff1a""+ft.get());
\n } catch (InterruptedException e)
\n {
\n e.printStackTrace();
\n } catch (ExecutionException e)
\n {
\n e.printStackTrace();
\n }<\/p>\n

}<\/p>\n

@Override
\n public Integer call() throws Exception
\n {
\n int i = 0;
\n for(;i<100;i++)
\n {
\n System.out.println(Thread.currentThread().getName()+"" ""+i);
\n }
\n return i;
\n }<\/p>\n

}<\/p>\n

<\/code><\/pre><\/p>\n

\u2461\u7ebf\u7a0b\u6c60\u7684\u79cd\u7c7b\u6709\uff1a<\/p>\n

Java\u901a\u8fc7Executors\u63d0\u4f9b\u56db\u79cd\u7ebf\u7a0b\u6c60\uff0c\u5206\u522b\u4e3a\uff1a
\nnewCachedThreadPool\u521b\u5efa\u4e00\u4e2a\u53ef\u7f13\u5b58\u7ebf\u7a0b\u6c60\uff0c\u5982\u679c\u7ebf\u7a0b\u6c60\u957f\u5ea6\u8d85\u8fc7\u5904\u7406\u9700\u8981\uff0c\u53ef\u7075\u6d3b\u56de\u6536\u7a7a\u95f2\u7ebf\u7a0b\uff0c\u82e5\u65e0\u53ef\u56de\u6536\uff0c\u5219\u65b0\u5efa\u7ebf\u7a0b\u3002
\nnewFixedThreadPool \u521b\u5efa\u4e00\u4e2a\u5b9a\u957f\u7ebf\u7a0b\u6c60\uff0c\u53ef\u63a7\u5236\u7ebf\u7a0b\u6700\u5927\u5e76\u53d1\u6570\uff0c\u8d85\u51fa\u7684\u7ebf\u7a0b\u4f1a\u5728\u961f\u5217\u4e2d\u7b49\u5f85\u3002
\nnewScheduledThreadPool \u521b\u5efa\u4e00\u4e2a\u5b9a\u957f\u7ebf\u7a0b\u6c60\uff0c\u652f\u6301\u5b9a\u65f6\u53ca\u5468\u671f\u6027\u4efb\u52a1\u6267\u884c\u3002
\nnewSingleThreadExecutor \u521b\u5efa\u4e00\u4e2a\u5355\u7ebf\u7a0b\u5316\u7684\u7ebf\u7a0b\u6c60\uff0c\u5b83\u53ea\u4f1a\u7528\u552f\u4e00\u7684\u5de5\u4f5c\u7ebf\u7a0b\u6765\u6267\u884c\u4efb\u52a1\uff0c\u4fdd\u8bc1\u6240\u6709\u4efb\u52a1\u6309\u7167\u6307\u5b9a\u987a\u5e8f(FIFO, LIFO, \u4f18\u5148\u7ea7)\u6267\u884c\u3002<\/p>\n

<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"

“`” \u8003\u5bdf\u70b9\uff1a\u7ebf\u7a0b\u6c60 \u2460\u542f\u52a8\u7ebf\u7a0b\u6709\u5982\u4e0b\u4e09\u79cd\u65b9\u5f0f\uff1a \u4e00\u3001\u7ee7\u627fThread\u7c7b\u521b\u5efa\u7ebf\u7a0b\u7c7b […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-39078","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/39078","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=39078"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/39078\/revisions"}],"predecessor-version":[{"id":39079,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/39078\/revisions\/39079"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=39078"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=39078"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=39078"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}