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 System class and its purpose?

2 10559

What enableEvents() method do?

1 5719

What is the purpose of the finally clause?

3 6871

What is the range of the char type?

3 7258

What is the range of the short datatype?

2 6785

What is the relationship between a method?s throws clause and the exceptions that can be thrown during the method?s execution?

2 5761

Relationship between an event-listener interface and an event-adapter class?

1 12673

What is clipping and repainting and what is the relation between them?

1 4688

Explain the relationship between the Canvas and Graphics class?

1 5243

What is the return type of a program?s main() method?

3 10362

What is the smallest package in Java API?

iGate,

5 15477

What is the superclass of exception?

3 9426

What is the use of TL?

1990

What is the use of an interface?

3 7014

What is parameter tag and what is its use?

1 6291

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Un-Answered Questions { Core Java }

Can you declare the main method as final?

1017

What super () does in java?

910

Can java cast null?

1041

Tell me are there implementations for sorting and searching in the java libarary?

1037

What is singleton service?

976

What is the flag in java?

1063

What is passing value java?

1060

What is bubble sorting in java?

1045

How are the elements of a gridbaglayout organized?

1065

What are parsing rules?

994

What is google full form?

1014

What is the difference between multiple processes and multiple threads?

1210

What is the effect of keeping a constructor private?

951

What is the static import?

1106

How to change the priority of thread or how to set priority of thread?

1031

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