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JAVA Programming :: Threads

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2. What is the output for the below code ?

class A implements Runnable{
public void run(){
System.out.println("run-a");
}
}
1. public class Test {
2. public static void main(String... args) {
3. A a = new A();
4. Thread t = new Thread(;
5. t.start();
6. t.start();
7. }
8. }

Answer: Option D

Explanation :

Once a thread has been started, it can never be started again. 2nd time t.start() throws javlang.IllegalThreadStateException.

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