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

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Java Related Interview Questions

Questions Answers Views Company eMail

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

What is meant by anonymous class?

1025

How objects are stored in java?

1034

Can a class have multiple constructors?

1060

Describe different states of a thread.

1005

What are the various access specifiers for java classes?

1058

Can we call the constructor of a class more than once for an object?

1096

Is string a data type in java?

1021

I want to control database connections in my program and want that only one thread should be able to make database connection at a time. How can I implement this logic?

1101

Can we have two methods in a class with the same name?

1053

In the below example, what will be the output?

1030

What is the default access specifier for variables and methods of a class?

1205

What are the two ways of implementing multi-threading in java?

1 1509

What's the difference between comparison done by equals method and == operator?

972

How infinite loop is declared?

1021

Un-Answered Questions { Java Related }

How do I disallow NULL values in a table?

1002

What is the use of the list interface in the java collection? : java collections

1027

what is heap memory?

1100

What is a parameter used for?

963

What is objectfactory in spring?

446

How to configure SSL in iPlanet/SunOne?

1822

Will the struts tags support other markup languages such as wml ?

983

Is string is a data type in java?

1068

Define immutable object?

1063

Write a method to check if input string is palindrome?

1019

What is a double vs float?

1016

Can one thread block the other thread?

1030

What configuration files are used in struts?

965

What is jdbc url for mysql?

1032

Can a final method be overloaded?

944

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