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