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 constructor and how many types of constructors are used in java?

1004

What is the purpose of the system class in java?

1048

Why java is a platform independent? Explain

1089

how we can make a write-only class in java?

1027

Explain the advantages of packages in java?

917

Explain the features of java?

1012

What is the purpose of main function in java?

1030

What are different access specifiers in java?

1016

Explain the difference between abstract class and interface in java?

983

Java is pass by value or pass by reference? Explain

990

what is encapsulation in java? Explain

1114

what do you mean by classloader in java?

1024

What do you mean by inner class in java? Explain

1068

what is static import in java? Explain

1016

explain the difference between jdk and jvm?

997

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Un-Answered Questions { Core Java }

What is assembly used for?

1020

Is there any way to skip finally block of exception even if some exception occurs in the exception block?

1072

What is proper subset?

975

What do you mean by JVM?

1080

Is alive in java?

947

Can a class with private constructor be extended?

946

What is java in layman terms?

1012

What is preparedstatement in java?

1048

What is replacefirst in java?

1109

What is meant by bytecode?

1030

Which is better singleton or static class?

984

Can you sort a list in java?

982

Why string is called as immutable?

953

Explain about core java?

1121

How do singleton patterns work?

970

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