johnson666's recent timeline updates johnson666's recent timeline updates |
johnson666V2EX member #291227, joined on 2018-02-10 13:46:49 +08:00 |
johnson666's recent replies
Jan 25, 2021 Replied to a topic by Cbdy › Java › 求一个 Java 面试题的最佳实践 |
原子变量
public class Test {
public static void main(String[] args) {
AtomicInteger at = new AtomicInteger();
for (int i = 0; i < 3; i++) {
MyThread t = new MyThread(at, i);
t.start();
}
}
}
class MyThread extends Thread {
private AtomicInteger at;
private int index;
public MyThread(AtomicInteger at, int index) {
this.at = at;
this.index = index;
}
@Override
public void run() {
while(true) {
if(at.get() % 3 == index) {
System.out.print((char)('a' + index));
at.incrementAndGet();
}
}
}
}
public class Test {
public static void main(String[] args) {
AtomicInteger at = new AtomicInteger();
for (int i = 0; i < 3; i++) {
MyThread t = new MyThread(at, i);
t.start();
}
}
}
class MyThread extends Thread {
private AtomicInteger at;
private int index;
public MyThread(AtomicInteger at, int index) {
this.at = at;
this.index = index;
}
@Override
public void run() {
while(true) {
if(at.get() % 3 == index) {
System.out.print((char)('a' + index));
at.incrementAndGet();
}
}
}
}
Feb 26, 2018 Replied to a topic by yuzenan888 › Linux › 麻烦推荐一个树莓派能用的 4G 网卡（卡托） |
真不懂为啥这么用
Feb 15, 2018 Replied to a topic by isCyan › 支付宝 › 大家集五福拿了多少钱？ |
1.98
Select Language