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 command line argument in java?

1218

Can we override private method in java?

1137

How do you sort a string in java?

1014

Can a class be final?

986

Can a class be private?

1010

Can I declare class as static or private?

1010

Can you inherit a constructor java?

1134

Can a singleton class be inherited?

1010

Can a class have multiple superclasses?

1240

Can we write method inside a method in java?

1042

Can a static class implement an interface?

1186

Can a final method be overloaded?

999

Can you run java program without main method?

1113

Can we have two main methods in a java class?

1097

Can a final variable be initialized in constructor?

1014

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Un-Answered Questions { Core Java }

How to sort an array from smallest to largest java?

1031

How do you sort in descending order in java using collections sort?

955

Can you give names of Container classes?

2352

What is meant by oops concept in java?

1048

What is difference between checked and unchecked exception in java?

1059

What is the purpose of the strictfp keyword?

1232

What is a singleton class in Java?

1143

What is the difference between compile-time polymorphism and runtime polymorphism?

1059

What is the difference between && and & in java?

1121

Explain reverse a linked list recursive java solution?

1041

Can we override private method in java?

1137

What are the advantages of exception handling?

1115

Which is dependent variable?

950

How we can execute any code even before main method?

1186

What is not thread safe?

1036

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