ChineseHello.java

package threads;

public class ChineseHello extends Thread {
    @Override
    public void run() {
        for (int i = 0; i < 10; i++) {
            System.out.println("你好    "+i);
        }
    }
}

JapaneseHello.java

package threads;

public class JapaneseHello extends Thread {
    @Override
    public void run() {
        for (int i = 0; i < 5; i++) {
            System.out.println("ohayo  "+i);
        }
    }
}

Test.java

package test;

import threads.ChineseHello;
import threads.JapaneseHello;

public class Test {

    public static void main(String[] args) {
        ChineseHello chineseHello;
        JapaneseHello japaneseHello;
        chineseHello = new ChineseHello();
        japaneseHello = new JapaneseHello();
        chineseHello.start();
        japaneseHello.start();
        for (int i = 0; i < 15; i++) {
            System.err.println("main thread    " + i);
        }
    }

}

来看结果,运行结果不唯一

运行结果