Threads - Discussion Page For Q.2946 | Java Programming Questions and Answers | Java Programming Free Online-Tests | LucentBlackBoard

Home > Java Programming > Threads > Questions and Answers

public class Threads4 {
public static void main (String[] args) {
new Threads4().go();
}
public void go() {
Runnable r = new Runnable() {
public void run() {
System.out.print("foo"); }
};
Thread t = new Thread(r);
t.start();
t.start(); }
}

What is the result?

A.	Compilation fails.	B.	An exception is thrown at runtime.
C.	The code executes normally and prints "foo".	D.	The code executes normally, but nothing is printed.

Answer and Explanation

Answer:An exception is thrown at runtime.

Explanation:
from go() method we are trying to create an object of Runnable interface. Actually we cannot create an object of runable interface, if you try to create then it will throw an compile time error.

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.