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Threads - Programming

Q1:

class X implements Runnable 
{ 
    public static void main(String args[]) 
    {
        /* Missing code? */
    } 
    public void run() {} 
}
Which of the following line of code is suitable to start a thread ?

A Thread t = new Thread(X);

B Thread t = new Thread(X); t.start();

C X run = new X(); Thread t = new Thread(run); t.start();

D Thread t = new Thread(); x.run();

ANS:A - Thread t = new Thread(X);

Option C is suitable to start a thread.