/**
* 两个线程，一个打印奇数，一个打印偶数，连续输出1-100
* Created by vendetta on 2018/8/31.
*/
public class OddAndEven {
//state==1表示线程1开始打印，state==2表示线程2开始打印
private static int state = 1;
private static int odd = 1;
private static int even = 0;
public static void main(String[] args) {
OddAndEven oddAndEven = new OddAndEven();
new Thread(() -> {
while (odd <= 100){
synchronized (oddAndEven){
if (state !=1){
try {
oddAndEven.wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
System.out.println(odd);
odd += 2;
state = 2;
oddAndEven.notifyAll();
}
}
}).start();
new Thread(() -> {
while (even <= 100){
synchronized (oddAndEven){
if (state !=2){
try {
oddAndEven.wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
System.out.println(even);
even += 2;
state = 1;
oddAndEven.notifyAll();
}
}
}).start();
}
}
输出结果：
1
2
3
...
97
98
100
