Given a sample code:

public class Test implements Runnable {
public void run() {
System.out.print("run");
}

public static void main(String[] args) {
Runnable r = new Test();
Thread t = new Thread(r);
t.run();
t.start();
t.run();
}
}

Which of the following statement is correct ?

(A) Compilation fails.
(B) Print "run run run"
(C) An exception is thrown at runtime.
(D) Print "run"

Answer:

(B)

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