synchronized(五)

package com.bjsxt.base.sync005;
/**
* synchronized的重入
* @author alienware
*
*/
public class SyncDubbo2 {

static class Main {
public int i = 10;
public synchronized void operationSup(){
try {
i--;
System.out.println("Main print i = " + i);
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}

static class Sub extends Main {
public synchronized void operationSub(){
try {
while(i > 0) {
i--;
System.out.println("Sub print i = " + i);
Thread.sleep(100);
this.operationSup();
}
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}

public static void main(String[] args) {

Thread t1 = new Thread(new Runnable() {

public void run() {
Sub sub = new Sub();
sub.operationSub();
}
});

t1.start();
}

}

运行结果：

Sub print i = 9
Main print i = 8
Sub print i = 7
Main print i = 6
Sub print i = 5
Main print i = 4
Sub print i = 3
Main print i = 2
Sub print i = 1
Main print i = 0