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

Core Java Interview Questions

Questions Answers Views Company eMail

java program with complete 4 oops concepts implemented example

Infosys, NIIT,

3156

what is platform independence in java?

CSC, HSBC,

5 8696

if num=687; U have to get num=6+8+7;

CMC,

4 6208

there are some duplicate values in ArrayList, how U'll get that array with out duplicate?

CMC,

4 9312

in a console we r giving java if r pressing enter where it'll goes

CSC,

2 4943

Can we extend the String class?

Truworth,

3 25414

we r taking 0 1 in deployment descripter for loading servlets like serv1 N serv2? so 'll it take serv1 or serv2

CSC,

2 7511

what are the different non-access specifiers in java?

5 12085

java Technical questions asked by JPMC

JPMorgan Chase,

5082

what are variables in java

Wipro,

7 9345

What is multithreading ???? How to stop multithrading in java????

Cognizant,

1 5384

Suppose there is an array list [10,5,20,19,15,24].Print them in ascending & descending order in collection framework concept ???

Cognizant,

2 7056

What will happen if we cannot mention "finally" in Java Program ???

PWC,

3 7220

What is default specifier ??? Use of default specifier ???

Cognizant, Syntel,

4 8540

write a program to create an arraylist with string(add,remove) operation.and value should be enter through keyboard.

Axcend,

2172

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Un-Answered Questions { Core Java }

Does java set allow duplicates?

1083

What is difference between stringbuffer and string?

960

What is sizeof () operator?

977

what is the purpose of "virtual"?

1085

How do you write a scanner class in java?

1015

What is java util function?

1099

Which is illegal identifier in java?

1089

What is private static class in java?

1016

Write a java program to check if a number is prime or not?

1039

What do you mean by object?

979

What is the function of character?

1053

What is array initialization in java?

1096

Can you write a java class that could be used both as an applet as well as an application?

962

How do you check if a string is lexicographically in java?

959

What is the range of the short type?

1021

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