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

Java J2EE (14736)
J2ME (151)
Java Related AllOther (507)

Java Related Interview Questions

Questions Answers Views Company eMail

How to find the heap memory of managedServer?

Delta,

4 12295

Why ArrayList class is not a synchronized class and why it is not a thread safe class? explain

1 5065

what is actual real time using of oops concepts in projects(Interface,polymorphism.abstraction.........)

2 11216

I have 2 objects inside one object(vector). how can i serialize one of them. I dont want to serialize the second one

ABC, L&T,

3 9073

how to pass parameter from servlet to html form

4 19797

explain session tracking. why we used it

Lionbridge,

3 7911

What is the difference between Synchronizing mehtod & Synchronizing block?

2 6144

what is check p object in java

TCS,

1 4394

what is the need to set path in java? how many ways to set path in java? Explain breif?

5 20973

i want documentation of text file splitter & merger of advanced java

Infosys,

1 4963

Each instance of weblogic server is physical or logical. Can sever instance be shared over multiple machines?

3 8220

What Is Pointer?

4 5761

how to print the below in java?thanks in advance.... * * * * * * * *

3 5351

how to print the below in java? * * * * * * * * *

2 5031

difference between String a; and String a=new String();? y do v need to assign memory to the variable?

2 6118

Un-Answered Questions { Java Related }

Why is there no polymorphic-type response from a create () or find () method?

986

When is finally block not called?

1093

What's the difference between code-based security and role-based security? Which one is better? : java security

922

Is arraylist ordered?

1082

What is fetching strategy in hibernate?

395

While packaging the web application defaultwebapp for deployment into the weblogic server, the home and remote interfaces of the enterprise beans used by the servlets should reside in which directory? : BEA Weblogic

1041

What is the primary benefit of encapsulation?

1090

Explain listiterator and methods in listiterator?

1025

What are the environments you support?

816

What are constants and how to create constants in java?

986

What function extracts specified characters from a string?

1006

What are the differences between abstract class and interface?

1095

Write an algorithm program in java for the following question.. 1) S is a set of integers.X is an integer obtained by sum of two digits in S. Write logic for whether or not the X is from the S. The time of algorithm should not exceed o(n logn).

2154

What are the different ways to set up a class like spring bean?

452

What is the difference between lambda expression and anonymous methods?

927

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