Runnable接口程实现多线程

写一个类实现Runnable接口，实现run方法。用new Thread(Runnableclass).start()方法来启动

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public class RunnableTask {
	
    public static void main(String[] args) {  
    	RunnableTask rt = new RunnableTask();
        Runner1 runner1 = rt.new Runner1();  
        Runner2 runner2 = rt.new Runner2();  
          
        Thread thread1 = new Thread(runner1);  
        Thread thread2 = new Thread(runner2);  
	    thread1.start();  
	    thread2.start();  
        //thread1.run();  
        //thread2.run();  
    }  
	 
	  
	class Runner1 implements Runnable { 
		// 实现了Runnable接口，jdk就知道这个类是一个线程  
	    public void run() {  
	        for (int i = 0; i < 100; i++) {  
	            System.out.println("进入Runner1运行状态——————————" + i);  
	        }  
	    }  
	}  
	  
	class Runner2 implements Runnable { 
		// 实现了Runnable接口，jdk就知道这个类是一个线程  
	    public void run() {  
	        for (int i = 0; i < 100; i++) {  
	            System.out.println("进入Runner2运行状态==========" + i);  
	        }  
	    }  
	}
}