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,

3154

what is platform independence in java?

CSC, HSBC,

5 8662

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

CMC,

4 6194

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

CMC,

4 9280

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

CSC,

2 4929

Can we extend the String class?

Truworth,

3 25402

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

CSC,

2 7497

what are the different non-access specifiers in java?

5 12072

java Technical questions asked by JPMC

JPMorgan Chase,

5076

what are variables in java

Wipro,

7 9333

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

Cognizant,

1 5376

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

Cognizant,

2 7041

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

PWC,

3 7202

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

Cognizant, Syntel,

4 8510

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

Axcend,

2169

Post New Core Java Questions

Un-Answered Questions { Core Java }

Can you pass by reference in java?

972

What are different data types?

1021

What is string pool in java?

1017

Why is boolean important?

1059

Why do I need to declare the type of a variable in java?

1073

What is sleep method?

1146

Difference between doublesummarystatistics, intsummarystatistics and longsummarystatistics ?

984

Can we override a variable in java?

1005

Which object oriented concept is achieved by using overloading and overriding?

1104

What is a top level class in java?

1020

What does += mean in java?

1070

What is the different between get and post?

970

What is the use of predicate in java 8?

954

Give the hierarchy of inputstream and outputstream classes.

1098

how to create multithreaded program? : Java thread

944

For More Un-Answered { Core Java } Questions Click Here