class T1{
    
    public static void main(String[] d)throws Exception
    {
        Thread t1=new Thread(new T2());
        Thread t2=new Thread(new T2());
        Thread t3=new Thread(new T2());
        t1.start();
        t1.interrupt();
        t2.start();
        t3.start();
        System.out.println(t1.isAlive()+" "+t2.isAlive()+t3.isAlive());
        
    }

}
class T2 implements Runnable{
        
    public T2()
    {
        
        
    }
    public  void run()
    {
        for(double a=0.00001;a<0.0001;a+=0.00001)
        {
                                           System.out.println(Thread.currentThread());
            System.out.println(Thread.currentThread());
            System.out.println(Thread.currentThread());
            System.out.println(Thread.currentThread());
            try{
                Thread.currentThread().interrupt();
            }catch(Exception e)
            {
                
            }
        }
    }
}
按理说在main()中执行完t1.interrupt()之后，t1就不应该再执行了,但为什么控制台中在t2.start()之后依然有有关t1线程的输出呢?