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

Core Java Interview Questions

Questions Answers Views Company eMail

What is the difference between add() and addElement() method in Vector Class ?

TCS,

2 19374

Can we add two byte variables and assign the result to a byte variable ? b=b1+b2 where b,b1,b2 are byte types

TCS,

4 22481

How can we find size of the object ?

CTS, RazorSight,

5 14754

Howmany classes that package java.applet.* contains?

TCS,

1 7190

How to reduce flicking in animation?

TCS,

3 7120

How to print nodes of a Binary tree?

TCS,

1 6366

What is I/O Filter?

TCS, WAX,

2 14004

How to initialize an Applet ?

TCS,

9 24811

Can you call a private data from an inner class?

6 9834

Can multiple catch statements be used in exceptions ?

Wipro,

6 11943

Difference between Application and Applet ?

Wipro,

4 11066

Can a class inherit the constructors of its superclass?

iFlex, Wipro,

9 22721

What is 3-tier model?

Wipro,

3 8350

For which statements we use a label?

Wipro,

3 6825

How to eliminate duplicates from an array?

ABC, AdMod, Adobe, College School Exams Tests, Patni, Wipro,

6 23932

Post New Core Java Questions

Un-Answered Questions { Core Java }

How are multiple inheritances done in Java?

1088

Can list be final in java?

870

Does constructor return any value?

970

Can we initialize the final blank variable?

1029

What do you mean by checked exceptions?

898

Is an array a vector?

961

Give a practical example of singleton class usage?

994

What are unchecked exceptions in java?

990

Do you know why doesn't the java library use a randomized version of quicksort?

906

What is Gang of four design patterns

986

why java uses class level type casting ?

2607

Can keyword be used as identifier?

898

Tell me how many ways are there to initialise an integer with a constant.

1055

What is nested class?

946

What are controls and their different types in awt?

1016

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