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 meant by class and object in java?

1043

What does java stand for?

1124

What is class and object in java?

1005

What is connection class in java?

961

What is private protected in java?

1052

Is overriding possible in java?

962

What is java reflection?

985

Can we override constructor in java?

1096

What is a protected class in java?

995

What is rule of accessibility in java?

1027

Can we create an object of static class in java?

1018

Can singleton class be inherited in java?

1003

Can we clone singleton object in java?

1021

How does class forname work in java?

966

How many classes can any class inherit java?

970

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Un-Answered Questions { Core Java }

What is intern method in java?

1080

How to create an immutable class?

1109

What are the skills required for core java?

1017

What are packages in java?

1650

Does apple use java?

953

What is the difference between instanceof and isinstance?

1061

In java, what is the difference between method overloading and method overriding?

1123

A non-static inner class may have object instances that are associated with instances of the class’s outer class. A static inner class does not have any object instances.

1016

What is the unit of plancks constant?

1050

What is Gang of four design patterns

1054

What is java volatile?

1052

List some important characteristics on jre

1076

Why pointers are not used in java?

1131

Define an enumeration?

1049

What is the use of default method in interface in java? Explain

1006

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