多线程和并发库应用四-传统线程通信

public class Business {
private boolean bShouldSub=true;
public synchronized  void sub(int i){
while (!bShouldSub){
try {
this.wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
for (int j=1;j<=10;j++){
System.out.println("sub sequece "+i+" loop for "+j);
}
bShouldSub=false;
this.notify();
}
public synchronized  void main(int i){
while (bShouldSub){
try {
this.wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
for (int j=1;j<=100;j++){
System.out.println("main sequece "+i+" loop for "+j);
}
bShouldSub=true;
this.notify();
}
}

public class Main {
public  static  void main(String[] args){
final Business bs=new Business();
new Thread(new Runnable() {
public void run() {
for (int i=1;i<=50;i++){
bs.sub(i);
}
}
}).start();
new Thread(new Runnable() {
public void run() {
for (int i=1;i<=50;i++){
bs.main(i);
}
}
}).start();
}
}