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?

1134

What is the difference between arraylist and hashset in java?

1148

What is class variable java?

1011

What is a dynamic array java?

949

What is tochararray in java?

938

What does split function do in java?

1021

How does linkedlist work in java?

931

How does sublist works in java?

974

What is arrays sort in java?

966

Are maps ordered java?

961

What is java english?

1004

How do I get 64 bit java?

1113

What is namespace in java?

1009

How to sort an array from smallest to largest java?

988

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

1009

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Un-Answered Questions { Core Java }

Which types of exceptions are caught at compile time?

1036

How many bits is a boolean?

1089

Can we declare a class as abstract without having any abstract method?

1001

What is used of static keyword in java?

1075

Explain the selection sort algorithm and state its time complexity?

1016

How do you remove duplicates in java?

1020

What is subsequence of a string?

1100

What is your platform’s default character encoding?

1082

What is wrapper class html?

942

What are java packages? What's the significance of packages?

1331

What is update method called?

1159

Explain super keyword in java.

1036

What is method in research paper?

1136

Why Java is not pure Object Oriented language?

1110

Difference between final and effectively final ? Why is effectively final even required ?

993

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