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 have static methods in an interface?

1111

What is the difference between a break statement and a continue statement?

1090

What is the collections api?

1124

What is the list interface?

1136

Give a practical example of singleton class usage?

1106

What is currentthread()?

1062

I have multiple constructors defined in a class. Is it possible to call a constructor from another constructor’s body?

1070

Can a variable be local and static at the same time?

1061

What class of exceptions are generated by the java run-time system?

1257

Is there any limitation of using inheritance?

1161

What is nested top-level class?

1099

Can a vector contain heterogenous objects?

1123

List any five features of java?

1077

If system.exit (0); is written at the end of the try block, will the finally block still execute?

1166

What is rmi and steps involved in developing an rmi object?

1119

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Un-Answered Questions { Core Java }

What about static nested classes in java?

1197

What are serialization and deserialization?

1320

what is meant by HQL?

1125

Why hashcode is used in java?

1031

What mechanism does java use for memory management?

1026

Write a program to check for a prime number in java?

1095

Difference between static binding and dynamic binding?

1192

What is a java predicate?

1022

What is qualitative variable?

977

How do you write a good declaration?

1035

What is the method to declare member of a class static?

1063

what is ststic with example

2128

What are the problems faced by java programmers who don't use layout managers?

1042

What is constructor and virtual function? Can we call a virtual function in a constructor?

1195

Explain OOPs concept.

1160

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