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

Core Java Interview Questions

Questions Answers Views Company eMail

Explain JPA in Java.

1 914

Briefly explain the term Spring Framework

1 896

Difference between static methods, static variables, and static classes in Java.

1 1025

What is a Java Virtual Machine?

1 854

. Define Copy Constructor in Java

1 928

Can Java be said to be the complete object-oriented programming language

1 897

Define Wrapper Classes in Java.

1 840

Define package in Java.

1 888

. Differentiate between instance and local variables.

1 958

. Explain Java String Pool.

1 911

What happens when the main() isn't declared as static?

1 882

Why is Java a platform independent language?

1 975

Why is the main method static in Java?

1 988

What part of memory - Stack or Heap - is cleaned in the garbage collection process?

1 902

What is the difference between the program and the process?

1 975

Post New Core Java Questions

Un-Answered Questions { Core Java }

Can you achieve runtime polymorphism by data members?

1191

Why is it called buffering?

1182

what r advatages of websphere? & how to deploy?

2256

Why singleton pattern is better than creating singleton class with static instance?

1051

Make a data structure and implement an algorithm to print all the files in a directory. (The root directory can have sub-directories too.)

1378

What is a numeric format?

1156

Is string a class?

1092

What are java annotations?

1222

What is the buffer limit?

1077

What is an immutable object?

1168

Can we create an object of static class in java?

1052

What are basic keywords?

1073

What is the byte range?

1072

What is canonical name in java?

1185

What is lossy conversion in java?

1272

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