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public class SignTest {
public static void main(String[] args) {
Drama drama = new Drama();
new Thread(new Actor(drama)).start();
new Thread(new Audience(drama)).start();
}
}
class Actor extends Thread {
Drama drama;
public Actor(Drama drama) {
this.drama = drama;
}
@Override
public void run() {
int n = 1;
for (int i = 0; i < 30; i++) {
if (i % 3 == 0) {
this.drama.playDrama("West Word S" + n++);
} else {
this.drama.playDrama("Ads time");
}
}
}
}
class Audience extends Thread {
Drama drama;
public Audience(Drama drama) {
this.drama = drama;
}
@Override
public void run() {
for (int i = 0; i < 30; i++) {
drama.watchDrama();
}
}
}
class Drama {
String name;
boolean flag = true;
public synchronized void playDrama(String name) {
if (!flag) {
try {
this.wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
System.out.println("Actor play " + name);
this.notify();
this.name = name;
this.flag = !this.flag;
}
public synchronized void watchDrama() {
if (flag) {
try {
this.wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
System.out.println("Audience watch " + name);
this.notify();
this.flag = !this.flag;
}
}
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