Core Java Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java Interview Questions

Questions Answers Views Company eMail

Can we create a class inside a class in java?

1085

What is static and final keyword in java?

1025

What is the use of protected in java?

1027

Can a class be private in java?

997

Can private class be inherited in java?

1031

Which method cannot be overridden in java?

998

Can a class extend 2 classes in java?

1040

Can we clone singleton class in java?

964

What is java used for on a computer?

1000

Can I override protected method in java?

1079

What is preparedstatement in java?

1055

What is lambda in java?

1085

What is return used for in java?

1027

What is the benefit of inner classes in java?

1092

What is the old name of java?

999

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Un-Answered Questions { Core Java }

what are the methods in object?

1150

In a class implementing an interface, can we change the value of any variable defined in the interface?

1092

If an application has multiple classes in it, is it okay to have a main method in more than one class?

1013

What are the different access modifiers available in java?

1046

Can we cast any other type to boolean type with type casting?

961

What about static nested classes in java?

1151

What is the primary benefit of encapsulation?

1089

What is finalize()? Is finalize() similar to a destructor?

965

What is string [] args?

1009

What are the wrapped, classes?

1058

What is function and its uses?

1120

What is floating data type?

987

What does the exclamation mark mean in java?

1250

Which is better 64 bit or 32 bit?

945

When would you use a static class?

986

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