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 are decalarations?

1125

What are facelets templates?

1035

what is the purpose of using rmisecuritymanager in rmi?

972

What is the tradeoff between using an unordered array versus an ordered array?

1241

Why we override equals() method?

1039

What is the advantage of preparedstatement over statement?

1109

What is the default size of load factor in hashing based collection?

1051

What is difference between jdk,jre and jvm?

1125

What is the difference between processes and threads?

1054

What is the main difference between java platform and other platforms?

1106

What is the difference between sleep and wait in java?

966

Explain java heap space and garbage collection?

1075

What is meant by binding in rmi?

1014

Can we call the run() method instead of start()?

1042

How do weakhashmap works?

1155

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Un-Answered Questions { Core Java }

How we can skip finally block of exception even if some exception occurs in the exception block in java?

948

What is a marker interface?

1159

What does math floor () do?

965

What is nested loop? What is dangling else condition in it?

1090

How do you define a set in java?

1020

What is thread start?

959

how many types of Inheritance?

1176

What is string length in java?

951

What is stored procedure. How do you create stored procedure ?

1955

What is the hashcode () and equals () used for?

1038

Which programming language is best in future?

963

What technique is carried out to find out if a particular string is empty?

1015

Give few examples of final classes defined in Java API?

1204

What is public/private protected in java?

1041

I want my class to be developed in such a way that no other class (even derived class) can create its objects. How can I do so?

983

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