多线程Runnable

package com.day18.线程;

public class ThreadTwo {

    public static void main(String[] args) {
        MyRunnable mr=new MyRunnable();
        Thread t=new Thread(mr);
        t.start();
        for(int j=0;j<1000;j++) {
            System.out.println("aaaaa");
        }
    }

} 
class MyRunnable implements Runnable{

    @Override
    public void run() {
        for(int i=0;i<1000;i++) {
            System.out.println("bbbbb");
        }
    }
    
}