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 are the main differences between the java platform and other platforms?

1076

Why does java not support pointers?

1128

How can you make a class serializable in java?

1009

How to perform bubble sort in java?

1008

What is jrmp?

978

How do I convert a numeric ip address like 192.18.97.39 into a hostname like java.sun.com?

1024

Can we override the private methods?

1025

What is the difference between abstraction and encapsulation?

1061

Which class is the superclass for all the classes?

1039

What is the difference between the final method and abstract method?

1069

Can finally block be used without a catch?

1026

Why is inheritance used in java?

1140

What is the meaning of immutable regarding string?

983

What is deserialization?

1044

Write a java program to count the number of words present in a string?

993

Post New Core Java Questions

Un-Answered Questions { Core Java }

Is there a case when finally will not execute?

1026

What is the largest number a double can hold?

1058

What is the lifetime and scope of a variable?

1036

Can we cast any other type to boolean type with type casting?

970

What is private static class in java?

1035

What are the 8 data types in java?

1015

What is a predicate method?

1032

Can we override private method?

1107

Explain thread in java?

1182

What is the difference between state-based unit testing and interaction-based unit testing?

945

How do you use substring in java?

1153

Can we initialize the final blank variable?

1106

How do I stop concurrentmodificationexception?

1052

Explain the importance of throwable class and its methods?

1059

How can a gui component handle its own events?

1127

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