\u540c\u6b65\u9501\u5206\u7c7b<\/p>
\u5bf9\u8c61\u9501\uff08this\uff09<\/p>
\u7c7b\u9501\uff08\u7c7b\u7684\u5b57\u8282\u7801\u6587\u4ef6\u5bf9\u8c61\u5373\u7c7b\u540d.class\uff09<\/p>
\u5b57\u7b26\u4e32\u9501\uff08\u6bd4\u8f83\u7279\u522b\uff09<\/p>
\u5e94\u7528\u573a\u666f<\/p>
\u5728\u591a\u7ebf\u7a0b\u4e0b\u5bf9\u5171\u4eab\u8d44\u6e90\u7684\u5b89\u5168\u64cd\u4f5c\u3002<\/p>
\u9700\u6c42\uff1a\u542f\u52a85\u4e2a\u7ebf\u7a0b\u5bf9\u5171\u4eab\u8d44\u6e90total\u8fdb\u884c\u5b89\u5168\u64cd\u4f5c\u3002<\/p>
\u540c\u6b65\u9501\u5728\u591a\u7ebf\u7a0b\u5355\u4f8b\u6a21\u5f0f\u4e0b\u7684\u4f7f\u7528<\/p>
\u4ee5\u4e0a\u4e09\u7c7b\u540c\u6b65\u9501\u90fd\u53ef\u4ee5\u3002<\/p>
package cn.myThread;<\/p>
public class MyThread implements Runnable {
private static int total = 10;
@Override
public void run() {
synchronized (this){ \/\/\u4f7f\u7528this\u5bf9\u8c61\u9501
\/\/synchronized (MyThread.class){ \/\/\u4f7f\u7528MyThread.class\u7c7b\u9501
\/\/synchronized (""){\/\/\u4f7f\u7528\u5b57\u7b26\u4e32\u9501
System.out.println(Thread.currentThread().getName() + "\u6b63\u5728\u8fd0\u884c");
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
}
total--;
System.out.println(total);
System.out.println(Thread.currentThread().getName() + "\u7ebf\u7a0b\u7ed3\u675f");
}
}
}
<\/p>
package cn.test;<\/p>
import cn.myThread.MyThread;<\/p>
public class TestMyThread {
public static void main(String[] args){
MyThread myThread = new MyThread();
Thread thread = null;
for (int i = 1 ; i <= 5 ; i++){
thread = new Thread(myThread,"\u7ebf\u7a0b"+i); \/\/\u5f00\u542f5\u4e2a\u7ebf\u7a0b\uff0c\u4f20\u5165\u540c\u4e00\u4e2a\u5bf9\u8c61
thread.start();
}
}
}
<\/p>
\u7ebf\u7a0b1\u6b63\u5728\u8fd0\u884c<\/p>
9<\/p>
\u7ebf\u7a0b1\u7ebf\u7a0b\u7ed3\u675f<\/p>
\u7ebf\u7a0b3\u6b63\u5728\u8fd0\u884c<\/p>
8<\/p>
\u7ebf\u7a0b3\u7ebf\u7a0b\u7ed3\u675f<\/p>
\u7ebf\u7a0b5\u6b63\u5728\u8fd0\u884c<\/p>
7<\/p>
\u7ebf\u7a0b5\u7ebf\u7a0b\u7ed3\u675f<\/p>
\u7ebf\u7a0b2\u6b63\u5728\u8fd0\u884c<\/p>
6<\/p>
\u7ebf\u7a0b2\u7ebf\u7a0b\u7ed3\u675f<\/p>
\u7ebf\u7a0b4\u6b63\u5728\u8fd0\u884c<\/p>
5<\/p>
\u7ebf\u7a0b4\u7ebf\u7a0b\u7ed3\u675f
<\/p>
\u5206\u6790\uff1a\u4ece\u8fd0\u884c\u7ed3\u679c\u53ef\u4ee5\u770b\u51fa5\u4e2a\u7ebf\u7a0b\u4e32\u884c\u6267\u884c\u540c\u6b65\u9501\u91cc\u9762\u7684\u4ee3\u7801\uff0c\u56e0\u4e3a5\u4e2a\u7ebf\u7a0b\u4e2d\u7684\u540c\u6b65\u9501\u5bf9\u8c61this\u6307\u5411\u540c\u4e00\u4e2a\u7684\u5bf9\u8c61\uff08\u540c\u6b65\u9501\u5bf9\u8c61MyThread.class\u7c7b\u9501\u662f\u540c\u4e00\u4e2a\u5bf9\u8c61\u3001\u540c\u6b65\u9501\u5bf9\u8c61 \u201d\u201d \u5b57\u7b26\u4e32\u9501\u662f\u540c\u4e00\u4e2a\u5bf9\u8c61\uff09,\u6240\u4ee55\u4e2a\u7ebf\u7a0b\u4f1a\u4e32\u884c\u6267\u884c\u540c\u6b65\u9501\u91cc\u9762\u7684\u4ee3\u7801\u3002<\/p>
\u540c\u6b65\u9501\u5728\u591a\u7ebf\u7a0b\u591a\u4f8b\u6a21\u5f0f\u4e0b\u7684\u4f7f\u7528<\/p>
\u9519\u8bef\u7528\u6cd5<\/p>
package cn.myThread;<\/p>
public class MyThread implements Runnable {
private static int total = 10;
@Override
public void run() {
synchronized (this){\/\/\u4f7f\u7528this\u5bf9\u8c61\u9501
System.out.println(Thread.currentThread().getName() + "\u6b63\u5728\u8fd0\u884c");
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
}
total--;
System.out.println(total);
System.out.println(Thread.currentThread().getName() + "\u7ebf\u7a0b\u7ed3\u675f");
}
}
}
<\/p>
package cn.test;<\/p>
import cn.myThread.MyThread;<\/p>
public class TestMyThread {
public static void main(String[] args){
Thread thread = null;
for (int i = 1 ; i <= 5 ; i++){
thread = new Thread(new MyThread(),"\u7ebf\u7a0b"+i);\/\/\u5f00\u542f5\u4e2a\u7ebf\u7a0b\uff0c\u4f20\u51655\u4e2a\u4e0d\u540c\u5bf9\u8c61
thread.start();
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