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

Core Java Interview Questions

Questions Answers Views Company eMail

Implementations of set interface?

1028

Explain about fail safe iterators in java?

1037

When we serialize an object does the serialization mechanism saves its references too?

1036

What is an eror in java?

1069

Explain about map interface in java?

1002

What is sortedmap interface?

1010

What is linked hashset and its features?

1075

What is serial version uid and its importance in java?

1060

What is linked hashmap and its features?

1023

Explain which of the following methods releases the lock when yield(), join(),sleep(),wait(),notify(), notifyall() methods are executed?

1137

Can we define static methods inside interface?

996

How many times finalize method will be invoked? Who invokes finalize() method in java?

1034

List out benefits of object oriented programming language?

909

Can we able to pass objects as an arguments in java?

1033

What is type conversion in java?

1050

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Un-Answered Questions { Core Java }

What does @override mean?

1220

What is the numeric promotion?

1045

What is difference between ++ I and I ++ in java?

996

What do you understand by weak reference?

1023

What is final keyword in java? Give an example.

1028

Differences between C and Java?

1219

What is the purpose of static methods and static variables?

1086

What is the purpose of static keyword in java?

978

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

983

What is use of arraylist in java?

1197

EDS (Electronic Data Systems India Pvt Ltd) at Chennai on 16-12-2006.

9229

What are the restrictions imposed by a Security Manager on Applets?.

2627

How to set the permissions to a file in java?

1000

What are the two ways to create a thread?

1023

What are data types in oop?

1049

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