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 purpose of setAutoCommit() ?

Google,

1 6203

What is the difference between JDBC 1.0 and JDBC 2.0?

Corent Technology,

3140

What is the difference between Resultset and Rowset.

IBM, Wipro,

6 36373

Why is prepared Statement, Callable Statement used for? What is the need of Batch updates?

Logica CMG,

1 13693

What is the USE of Null interfaces ??...if thers nothing inside these interfaces how are they used and WHy are they used ???? No 1 has given a proper description yet

1 4210

what is jdk1.5 features?

AMS, Virtusa,

6 22866

v-model life cycle

Virtusa,

2006

if u open login & logout ,how can udisplay the timelogin & logout members ?

Virtusa,

2234

what is multithreading?

Virtusa,

5 10158

what is abstract method with example?

Infosys, Virtusa,

6 16814

how to print output with out using sop statements

UHG,

5 10344

what is auto boxing

UHG,

3 12143

real time example for deadlock,starvation,livelock

5 20599

whatis Home interface and Remoteinterface? with example?

Saksoft,

1959

what is business delegate?

TCS,

2 6471

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Un-Answered Questions { Core Java }

What is the reflection?

961

What is number data type in java?

962

What is the purpose of using break in each case of switch statement?

979

What is a war file?

1026

List any five features of java?

980

Can a method be overloaded based on different return type but same argument type?

918

Which java ide is used the most?

963

What are static blocks in java ?

1053

Why do we need wrapper classes?

1032

Explain about data types?

1023

What is compiler and what its output.

1091

What is java literals?

1077

What does percent mean in java?

985

How to create a thread in java?

1097

What is the ==?

850

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