/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package thread;
import java.util.ArrayList;
import java.util.List;
public class MyStack {
private List
list = new ArrayList
();
public synchronized void push(String value) {
synchronized (this) {
list.add(value);
notifyAll();
}
}
public synchronized String pop() throws InterruptedException {
synchronized (this) {
if (list.size() <= 0) { //while
wait();
}
return list.remove(list.size() - 1);
}
}
public static void main(String[] args) {
final MyStack data = new MyStack();
Thread t2 = new Thread("C pop") {
public void run() {
try {
while (true) {
System.out.println("C pop");
data.pop();
Thread.sleep(100);
}
} catch (InterruptedException ex) {
ex.printStackTrace();
}
}
};
t2.start();
t2.setPriority(5);
/
Thread t3 = new Thread("B pop") {
public void run() {
try {
while (true) {
System.out.println("B pop");
data.pop();
Thread.sleep(100);
}
} catch (InterruptedException ex) {
ex.printStackTrace();
}
}
};
t3.start();
t3.setPriority(4);
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
}
Thread t = new Thread("A push") {
public void run() {
while (true) {
try {
System.out.println("A push");
data.push("111");
Thread.sleep(100);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
}
}
};
t.start();
t.setPriority(1);
}
}
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