Java Threads Aptitude Questions and Answers.

List of Java Threads Aptitude Questions

1) A thread can be created by using __________ class.

MultiThread
Thread
Threading
SuperThread

Answer

2) Which Java feature enables to handle multiple tasks simultaneously?

Class & Object
Platform Independent
Dynamic Object Initialization
Multi Threading

Answer

3) Which method is used to schedule a thread for execution?

start()
init()
run()
resume()

Answer

4) Consider the example and select the correct statement to start the thread.

public class ThreadEx extends Thread
{
	public void run()
	{
		System.out.println("Running...");
	}  
	
	public static void main(String args[])
	{
		ThreadEx T1=new ThreadEx();  
		__________ /*start thread*/
	}  
}

ThreadEx.start();
T1.start();
ThreadEx.run();
T1.run();

Answer

5) What will be the output of following program?

class ThreadEx extends Thread
{
	public void run()
	{
		for(int loop=1;loop<=5;loop++)
		{
			System.out.print(loop);			
		}  
	}  	
	public static void main(String args[])
	{
		ThreadEx T1=new ThreadEx();
		ThreadEx T2=new ThreadEx();

		T1.start();
		T2.start();
	}  
}