Threads - Discussion Page For Q.2956 | Java Programming Questions and Answers | Java Programming Free Online-Tests | LucentBlackBoard

Home > Java Programming > Threads > Questions and Answers

What will happen when you attempt to compile and run the following code?

class A implements Runnable{
public void run(){
System.out.println("run-A");
}
}
1. public class Test {
2. public static void main(String argv[]){
3. A a = new A();
4. Thread t = new Thread(a);
5. System.out.println(t.isAlive());
6. t.start();
7. System.out.println(t.isAlive());
8. }
9. }

A.	false run-A true	B.	false run-A false
C.	true run-A true	D.	Compilation fails due to an error on line 7

Answer and Explanation

Answer:false run-A true

Explanation:
Once the start() method is called, the thread is considered to be alive.

Comment on this Question
Name:

LucentBlackBoard.com has the web's largest collection of over 15,000 aptitude questions and answers with detailed explanation which include subjects like Arithmetic Aptitude, Logical Reasoning, Verbal Ability, General Knowledge, Programming Skills and more!

Our online education portal provides a unique and standard learning experience for students. We enable the students to prepare for most of the entrance and competitive exams like MBA (MAT, GMAT), Engineering (IIT-JEE, AIEEE, GATE), Employment (IAS, Bank PO, Railway, UGCNET), Civil Services and many more. We bring you the best in education by providing technical excellence and creating innovative solutions. We provide facility for online test preparation that offers 24/7 access to relevant subject matter and relative tests. These test preparations help the students to groom themselves and get prepared before actually facing the examination.