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  1.  class TestThreadTwice1 extends Thread{  
  2.  public void run(){  
  3.    System.out.println("running...");  
  4.  }  
  5.  public static void main(String args[]){  
  6.   TestThreadTwice1 t1=new TestThreadTwice1();  
  7.   t1.start();  
  8.   t1.start();  
  9.  }  
  10. }
Runtime error #stdin #stdout #stderr 0.06s 4452352KB
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stdin
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Standard input is empty
stdout
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running...
stderr
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Exception in thread "main" java.lang.IllegalThreadStateException
	at java.lang.Thread.start(Thread.java:705)
	at TestThreadTwice1.main(Main.java:8)
https://ideone.com/abEHUo
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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