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 about static nested classes in java?

1197

What are static blocks in java ?

1150

What about method local inner classes or local inner classes in java?

1112

Explain notifyall() method of object class ?

1142

What access modifiers can be used for methods?

1163

Is there a way to increase the size of an array after its declaration?

1094

What about anonymous inner classes in java?

1080

String and stringbuffer both represent string objects. Can we compare string and stringbuffer in java?

1037

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

1066

What about member inner classes?

1168

What about instanceof operator in java?

1077

Can we use different return types for methods when overridden?

1063

What is runtime polymorphism or dynamic method dispatch?

1053

Why is java architectural neutral?

1171

Which of the classes will have more memory allocated?

1027

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Un-Answered Questions { Core Java }

Explain about OOPS concepts and fundamentals.

1110

What is an inner class in java?

1027

What is super?

1261

What is the benefit of inner classes in java?

1146

What is split return?

1093

What is the purpose of stub and skeleton?

1089

Explain about method local inner classes or local inner classes in java?

1075

What happens if an exception is not handled in a program?

1156

How many types of interfaces are there?

1151

What is a blocking method in Java?

1326

Why do we use regex?

1086

What are Normalization Rules? Define Normalization?

1118

What is the importance of static variable?

1174

Can we define static methods inside interface?

1035

What is void data type?

1057

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