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 does JAVA ClassLoader work?

IBM,

1 4324

What is java class writing rules?

Oracle,

1 3173

What are possible key words, we can use to declare a class?

Tech Mahindra,

2 3891

How many types of modifiers are there?

Infosys,

1 3240

What are access modifiers?

Infosys,

1 3215

What are non-access modifiers?

Cognizant,

2 3702

How does access modifiers work?

Wipro,

1 2881

How does static modifier work?

Wipro,

1 3165

How does abstract modifier work?

Wipro,

1 2848

How does synchronized modifier work?

IBM,

1 2916

How does final modifier work?

Tech Mahindra,

1 3366

What are legal modifiers that we can use to declare an inner class?

Infosys,

1 3277

What is difference between “==” and equals()?

IBM,

1 2974

Why do we need to override equals() and hascode() method of object class?

Cognizant,

1 3486

How to override equals() and hashCode() method in java?

Wipro,

1 3136

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Un-Answered Questions { Core Java }

What is multithreading in java?

1008

What is formatted output?

905

What is data type example?

913

What is the java idl system?

996

Can java list contain duplicates?

964

What are desktop procedures?

1013

How you can force the garbage collection?

937

What is nextline method in java?

981

What is var keyword ?

1137

What is join () in java?

922

what is difference betweem home interface and remote interface?

2573

how to run ecllipse with jettyserver for windows environment using batch file

2014

What is nan inf?

991

Why vector class is used?

936

What is a default constraint?

1024

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