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 sort an unsorted array in java?

1124

What is the difference between arraylist and hashset in java?

1136

What is class variable java?

1006

What is a dynamic array java?

934

What is tochararray in java?

934

What does split function do in java?

1014

How does linkedlist work in java?

919

How does sublist works in java?

969

What is arrays sort in java?

961

Are maps ordered java?

949

What is java english?

989

How do I get 64 bit java?

1102

What is namespace in java?

1001

How to sort an array from smallest to largest java?

980

How do you add an element to a hashset in java?

1003

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Un-Answered Questions { Core Java }

Is vector synchronized in java?

992

What are basic keywords?

1037

Write a program to print all permutations of string?

1109

Is java se open source?

1027

What is a singleton class? Give a practical example of its usage.

1099

Can we store variables in local blocks?

1346

Explain method local inner classes ?

1028

What is the difference between serial and throughput garbage collector?

1094

How to perform selection sort in java?

993

What is the purpose of assert keyword used in jdk1.4.x?

1060

What is the default value of an object reference declared as an instance variable?

1119

What is a stringbuilder?

903

How do you do math powers in java?

1057

What is parameters example?

1026

What is close method? How it's different from Finalize & Dispose?

1060

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