package juc;
public class Printer { private volatile int i = 0;
public synchronized void printA() {
while (i < 100) {
try {
System.out.println(Thread.currentThread().getName() + ":" + i);
i++;
notifyAll();
wait();
} catch (InterruptedException e) {
e.printStackTrace();
}} } public synchronized void printB() {
while (i < 100) {
try {
System.out.println(Thread.currentThread().getName() + ":" + i);
i++;
notifyAll();
wait();
} catch (InterruptedException e) {
e.printStackTrace();
}}
} public static void main(String[] args) {
Printer printer = new Printer();
new Thread(() ->{
printer.printA();
}).start();
new Thread(() ->{
printer.printA();
}).start();
}
}
【Java两个线程交替打印奇偶数】
