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

Core Java Interview Questions

Questions Answers Views Company eMail

How to invoke external process in java.

1081

How the interruptible method gets implemented?

975

What is the use of runnable interface?

1175

What is an immutable class?

1146

Can you explain inner class.

1090

What is the requirement of thread in java?

1057

Explain the difference between association, aggregation and inheritance relationships.

1089

Difference between java and javascript

1103

Difference between vector and arraylist.

1122

Difference between linkedlist and arraylist.

1077

What are the kinds of polymorphism?

1094

How will you load a specific locale?

974

Define a package.

1090

How to obtain a performance profile of java program

1034

State the difference between creating string as new () and literal.

1119

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Un-Answered Questions { Core Java }

Explain the overview of UDP messaging.

1129

What is object-oriented paradigm?

1068

Does substring create a new object?

1000

How do you implement polymorphism in our day to day life?

3233

When arithmeticexception is thrown?

1034

What is the differences between heap and stack memory in java? Explain

987

Explain about doubly linked list

1034

How will you communicate between two applets?

1171

What does java se mean?

1048

What is parameter example?

1026

Define the term string pool?

1009

What is dot operator?

1036

What is singleton math?

1140

What is the difference between compare and compareto in java?

1032

What is jpa specification?

989

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