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

Core Java Interview Questions

Questions Answers Views Company eMail

Give reasons supporting that string is immutable.

905

Describe string intern() methodology

1034

What do you understand by the term polymorphism?

1022

Explain aggregation in java?

939

Is it possible to compare various strings with the help of == operator? What are the risks involved?

1040

What technique can be employed to compare two strings?

1040

enlist some features of jdk.

919

Describe method overriding

1084

Describe the term diamond problem.

998

describe method overloading

972

Why multiple inheritance is not supported by java?

941

Define the term string pool?

972

What is use of super keyword in java?

984

How to restrict a member of a class from inheriting by its sub classes?

1307

Explain the significance of class loaders in bootstrap?

904

Post New Core Java Questions

Un-Answered Questions { Core Java }

What do you understand by synchronization?

1004

What is function and method in java?

918

How to write custom exception in java?

1023

what is collatration?

3242

Why packages are used?

1414

How to restrict a member of a class from inheriting by its sub classes?

1307

What is increment in java?

935

What is a singleton factory?

926

What is parsing a sentence?

1015

Is it necessary for the port addresses to be unique? Explain with reason.

982

How does callback work in java?

1011

What is the differences between heap and stack memory in java? Explain

941

What is an example of a constant variable?

1029

How to perform quicksort in java?

1059

Explain about anonymous inner classes in java?

1018

For More Un-Answered { Core Java } Questions Click Here