Core Java Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java Interview Questions

Questions Answers Views Company eMail

What is exception propagation?

1151

Write a java program that prints all the values given at command-line.

1025

Can we declare the static variables and methods in an abstract class?

1004

Write a program in java to establish a connection between client and server?

987

What is the final variable?

1 1265

Can an unreferenced object be referenced again?

1209

Write a program in java to calculate the difference between the sum of the odd level and even level nodes of a binary tree.

1077

Can we declare an interface as final?

1081

How many types of constructors are used in java?

1207

What is the difference between compile-time polymorphism and runtime polymorphism?

1014

Can you use this() and super() both in a constructor?

996

What is an i/o filter?

5 1853

What is the difference between serializable and externalizable interface?

1120

Can we execute a program without main() method?

1053

What is the difference between static binding and dynamic binding?

1148

Post New Core Java Questions

Un-Answered Questions { Core Java }

What is the use of static class?

1211

How to sort double array in java?

1003

What is identifier give example?

1066

What is the difference between the font and fontmetrics classes in java programming?

1176

Why should I use abstract class?

1119

What a static class can contains?

1172

What is the difference between a synchronized method and a synchronized block?

1083

java Technical questions asked by JPMC

5101

Why do we use string?

1077

Can java program run without jre?

1025

What is increment in java?

982

What will be the initial value of an object reference which is defined as an instance variable?

1162

What is a method signature java?

1065

What is queue in java?

1162

Why destructor is not used in java?

993

For More Un-Answered { Core Java } Questions Click Here