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Core Java Interview Questions
Questions Answers Views Company eMail

In method overloading ,if i change the return type to Long instead of INT,is the program execute

HCL,

6 11750

wat is class level lock and object level lock

HCL, Persistent,

3 22233

is it possible to add a object in a HASHMAP

HCL,

6 9796

why we cannot declare static variable inside a static method

4 9827

why using interface interface ?

2042

why use interface? if interface declear a method implement in class. why direct implement method in class

HCL,

1 2805

different between exception and error? explaim check and uncheck exception

4 7421

Difference between interface and abstract class with ex.

Cognizant, Tech Mahindra,

4 9614

what is Thread priority?

Tech Mahindra, Wipro,

4 8068

Distinguish method overloading and overriding

Tech Mahindra,

2 5700

Distinguish method overloading and method overriding

Tech Mahindra,

4 7402

What is thread priority?

Tech Mahindra,

1 5762

Why Over riding is Run Time Polymorphism?

Genpact,

3 16026

How many objects are created when we create String class object using new operator?

Mind Tree,

9 27568

What is onClassLoader in java?

Cap Gemini,

5 9854


Post New Core Java Questions

Un-Answered Questions { Core Java }

Is intellij better than eclipse?

1092


Why do we use variables?

990


What do you understand by java?

988


What is an example of a conditional statement?

1052


What is a vararg?

1035


How do singleton patterns work?

969


How can we make sure main() is the last thread to finish in java program?

1199


Explain the term virtual machine?

1047


What is considered an anti pattern?

932


Are arrays primitive data types?

1184


Does chrome use java?

965


Explain the importance of thread scheduler in java?

1016


Can inner class final?

1093


What is the use of hashmap in java?

1090


What are the restrictions imposed on method overriding?

1003