?? thread1.java
字號:
public class Thread1 {
int i=10;
add ad;
minus mi;
/**
* @param args
*/
public Thread1(){
ad =new add(this);
mi=new minus(this);
}
public synchronized void add1(){
while(true){
i++;
System.out.println("add:"+Integer.toString(i));
if (i > 1500)
break;
}
}
public synchronized void minus1(){
while(true){
i--;
System.out.println("minus:"+Integer.toString(i));
if (i < -1500)
break;
}
}
public static void main(String[] args) {
// TODO Auto-generated method stub
Thread1 td=new Thread1();
td.ad.start();
td.mi.start();
}
class add extends Thread{
Thread1 td;
public add(Thread1 td){
this.td=td;
}
public void run(){
td.add1();
}
}
class minus extends Thread{
Thread1 td;
public minus(Thread1 td){
this.td=td;
}
public void run(){
td.minus1();
}
}
}
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