Question
class MyThread extends Thread
{
public static void main(String [] args)
{
MyThread t = new MyThread(); /* Line 5 */
t.run(); /* Line 6 */
}
public void run()
{
for(int i=1; i < 3; ++i)
{
System.out.print(i + "..");
}
}
}
What will be the output of the program?
class MyThread extends Thread
{
public static void main(String [] args)
{
MyThread t = new MyThread(); /* Line 5 */
t.run(); /* Line 6 */
}
public void run()
{
for(int i=1; i < 3; ++i)
{
System.out.print(i + "..");
}
}
}
Answer: Option C
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Line 6 calls the run() method, so the run() method executes as a normal method should
and it prints "1..2.."
A is incorrect because line 5 is the proper way to create an object.
B is incorrect because it is legal to call the run() method, even though this will not start a true
thread of execution. The code after line 6 will not execute until the run() method is complete.
D is incorrect because the for loop only does two iterations.
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