What will happen after compiling and running following 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(a); 5. t.start(); 6. t.start(); 7. } 8. }

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Java Programming Language Java thread MCQ

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Q: What will happen after compiling and running following 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(a);
5.             t.start();
6.             t.start();
7.       }
8. }

A run-a
B run-a run-a
C Compilation fails with an error at line 6
D Compilation succeed but Runtime Exception
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Q: What will happen after compiling and running following 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(a); 5. t.start(); 6. t.start(); 7. } 8. }

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Q: What will happen after compiling and running following 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(a); 5. t.start(); 6. t.start(); 7. } 8. }