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

Core Java Interview Questions

Questions Answers Views Company eMail

strings in java are objects.why?

2 5746

can we have function for truncating the sign as like abs in oracle.

1 3534

is there any function in java to make the text to blink?

6 10356

what is the purpose of class "Object" which is base class for all classes?

3 11582

How to convert String into primitive datatype.

6 16015

why we import both packages java.awt.*; and java.awt.event.*; as java.awt.*; can import all classes na. then what is the need of importing java.awt.event.*; ?

3 9905

what is the difference between a java object reference and c++ pointer?

4 13092

Hi.... I applied for the post of scientific officer/Engineer-SB(Programmer).Please post the syllabus and sample papers.

2058

what is tempplate pattern

IBM, RBS,

4 11649

what is bmg file and how to create that files?what will it contailn?

HCL, Probe Services,

2398

what is marker interface ? what is the necessity of it?

Accenture, Newgen,

5 11077

what release of java technology are currently available what do they contain?

1 3916

what is the J2EE BluPrints?

2197

why Runnable interface is preferable than extending the Thread class?

Aizza, College School Exams Tests, Sybrant Technologies, Wipro,

7 27284

Interface A { String test(); } Interface B { int test(); } Create a class AB which must implements both A & B interfaces.

Hewitt,

17 24628

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Un-Answered Questions { Core Java }

What are facelets templates?

1089

Name few java.lang classes introduced with java 8 ?

1052

What is the purpose of javac exe?

1156

Is java hard to learn?

967

Is it possible for yielded thread to get chance for its execution again ?

1087

How do you override a method?

1079

What is integer size in java?

1096

Is nan false?

1052

Can you tell me range of byte?

1059

What is class and its types?

1106

How do you generate random numbers in java?

1072

What is an accessor?

1773

What is the final variable?

1318

what is the messsage u r going to get from an objectoriented programing?

2153

a thread is runnable, how does that work? : Java thread

1099

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