实现Runnable接口实现一个多线程 Runnable接口源码: package java.lang; //Runnable接口源码只有一个run方法 public interface Runnable { public abstract void run(); } 实现Runnable的两个多线程类: public class RunnableThread1 implements Runnable { @Override public void run() { for (int i = 0;…