Question

请问java多线程怎么实现

Answer 1

很简单啊 两种方式：
1：继承Thread
2：实现Runable接口
考虑到java的单继承多实现，所以建议采用第二种。

Answer 2

class SecondThread implements Runnable {
int i;

public void run() {
for(int i=0;i<6;i++) {
System.out.println(Thread.currentThread().getName()+" "+i);
}
}
}
public class TestThread2 {
public static void main(String[] args) {
SecondThread s = new SecondThread();
Thread t = new Thread(s,"子线程1");
Thread k = new Thread(s,"子线程2");
t.start();
k.start();
for(int i=0;i<4;i++) {
System.out.println(Thread.currentThread().getName()+" "+i);
}

}
}