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

Core Java Interview Questions

Questions Answers Views Company eMail

How to invoke external process in java.

1080

How the interruptible method gets implemented?

975

What is the use of runnable interface?

1175

What is an immutable class?

1142

Can you explain inner class.

1088

What is the requirement of thread in java?

1057

Explain the difference between association, aggregation and inheritance relationships.

1089

Difference between java and javascript

1101

Difference between vector and arraylist.

1117

Difference between linkedlist and arraylist.

1072

What are the kinds of polymorphism?

1092

How will you load a specific locale?

974

Define a package.

1085

How to obtain a performance profile of java program

1034

State the difference between creating string as new () and literal.

1119

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Un-Answered Questions { Core Java }

Which package has light weight components?

998

What is the function of static in java?

1079

What is the main function in java?

1069

Which browsers work with java?

1074

What is the difference between abstract class and interface1? What is an interface?

1073

What is a method declaration?

994

What is the difference between char and char *?

1079

What is a method signature java?

1053

Can we override a variable in java?

1016

What is a text string?

1084

What is compareto () in java?

981

How many digits is int32?

980

What is the final method?

1073

List some features of the abstract class.

1068

What are static initalizers in java ?

1016

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