Variables and Loops - Discussion Page For Q.2969 | Java Programming Questions and Answers | Java Programming Free Online-Tests | LucentBlackBoard

Home > Java Programming > Variables and Loops > Questions and Answers

What is the output for the below code ?

public class A {
int k;
boolean istrue;
static int p;
public void printValue() {
System.out.print(k);
System.out.print(istrue);
System.out.print(p);
}
}
public class Test{
public static void main(String argv[]){
A a = new A();
a.printValue();
}
}

A.	0 false 0	B.	0 true 0
C.	000	D.	Compile error - static variable must be initialized before use.

Answer and Explanation

Answer:0 false 0

Explanation:
Global and static variable need not be initialized before use. Default value of global and static int variable is zero. Default value of boolean variable is false. Remember local variable must be initialized before use.

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.