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 class.forname method?

921

What are the features of junit?

1001

What are scriptlets?

1035

What are the basic interfaces of java collections framework?

1057

How to create a fecelet view?

949

How many types of memory areas are allocated by jvm?

985

What is the purpose of garbage collection in java, and when is it used?

991

What is the applet security manager, and what does it provide?

957

How to disable caching on back button of the browser?

1018

What is the default value of the local variables?

966

What is the purpose of tostring() method in java?

1088

What is the right data type to represent a price in java?

915

If I only change the return type, does the method become overloaded?

881

What is the return type of the main method?

994

Are true and false keywords?

983

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Un-Answered Questions { Core Java }

Explain about wait() method?

984

What are the 3 types of loops in java?

1003

Can list be final in java?

875

What is the use of protected in java?

983

What is a “stateless” protocol ?

944

What is data movement?

1077

When does a class need a virtual destructor?

957

Can we use catch statement for checked exceptions?

923

What is difference between throw and throws ?

1085

Variable of the boolean type is automatically initialized as?

974

What are instance variables?

1040

How do you do exponents in java?

989

Which is better list or arraylist in java?

818

Should you use singleton pattern?

904

What is the common usage of serialization?

1078

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