Vijay

• Mar 6th, 2007

J2EE is only a standards API used for Distributed Computing Asyncronous Communicatiosn Etc .. . . . . . . .

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pavan

• Jun 23rd, 2014

Example:- In c language windows 16-bit "c void main() { int a; printf(size of(x)); } o/p:- 2 byte windows 32-bit void main() { int a; ...

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sivakumar_govin

 Profile Answers by sivakumar_govin Questions by sivakumar_govin

• Aug 20th, 2007

Using finalize() method in java is not a recommended solution to release the system resources used by an object. The finalize() method will be called before deleting an object. An object in ...

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Amit Patil

• Sep 17th, 2007

Yes.It is possible to override a method and declare it abstract provided the overriding class is also declared abstract.

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JulieAsh07

 Profile Answers by JulieAsh07 Questions by JulieAsh07

• Oct 8th, 2007

MUTEX  is achieved in java by the keyword "synchronized" used when two or more methods try to access the same variables/Datastructure. Once a method declared using synchronized keyword ...

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Rahul

• Oct 17th, 2007

Mails are typical example of active as well as passive data. because this data is passive for sender but viewer it is active data.

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ramesh.sukka

 Profile Answers by ramesh.sukka Questions by ramesh.sukka

• Nov 26th, 2008

In Event based frameworks, process flow will happend with event triggering where as Requester based frameworks, based up on user request process flow will happend. Examples are, in Springs framework, ...

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the Color class contains some color names as constant variables . but it is twice. what for it.it have two variables like RED and red. what for it. i know that one is for set and get Color.but how the other is used. is it using for ignoring case ?

manimail_in

 Profile Answers by manimail_in Questions by manimail_in

• Apr 29th, 2008

Yes. It is using for IGNORING case.

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Hi.. I have developed one web-page which shows ALL employee records fetched from a employee table and display them in my JSP page.It has contain more than 1000's of records. I need to display first 10 Records in my page. There should be some 4 links below the records display which get me to see next 10 records or previous 10 records or first 10 records or Last 10 records. IS it possible in JSP?? Can...

mini2008

 Profile Answers by mini2008 Questions by mini2008

• Jul 14th, 2008

Paging In JSP Page:--------------------------1. Change Your SP which is going to retrieve data by adding 2 more columns  CurrentPage,DisplayCount and the usual other Parameters  that u have ...

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What is the meaning of supplying string[] args to main method?

dugulam

 Profile Answers by dugulam Questions by dugulam

• Dec 6th, 2008

public static void main(String args[]) This array of Strings is the mechanism through which the runtime system passes information to your application. Each String in the array is called a command ...

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If Object is the super class of all classes, how it is inherited without extends statement?

santosh.dhulipala

 Profile Answers by santosh.dhulipala Questions by santosh.dhulipala

• Mar 5th, 2010

During the compilation process our JVM checks whether we are extending any class, if not it will will extend the object, which we know that is super class of all classes, which is defaultwe can check ...

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Explain how a WeakHashMap works?

aryadipan

 Profile Answers by aryadipan Questions by aryadipan

• Sep 19th, 2010

You put an entry in a WeakHashMap with the object as the key, and the extra information as the map value. Then, as long as you keep a strong reference to the object, you will be able to check the m...

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Explain the purpose of 'JDK','JRE',LIB' directories.

SoonamK

 Profile Answers by SoonamK Questions by SoonamK

• Nov 8th, 2010

JDK:Java Development Kit is needed for developing java applications.It includes JRE, set of API classes, Java compiler, Webstart and additional files needed to write Java applets and applications.JRE:...

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What are the code standard used in J2EE project in real time?

venkatjdv

 Profile Answers by venkatjdv Questions by venkatjdv

• Jan 7th, 2011

1. If you open the java object, you must close that object otherwise it is still in heap memory and it causes some exception and it may effect the performance of the project.2. Naming Conventions....

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For example:
Class A created with method m1() and its object created in various other files. later m1() changed to m2() and class has added some more public variable. Now question is how does object created in other files came to know about this change happened in its class.

Is Object Listener linked to this question???

Suraj Panwar

 Profile Answers by Suraj Panwar Questions by Suraj Panwar

• Aug 5th, 2011

When we declare the m2 object.

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sampra

 Profile Answers by sampra Questions by sampra

• Mar 13th, 2012

Code set of all env

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Write a program for dynamic polymorphism without using method overriding?

Fathima

• Dec 16th, 2011

I believe we can acheive dynamic polymorphism using interface Example:

Code
public interface A{
//Something
}
 
public Class B implements A{
//some methods
}
 
A a = new B();

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Amit

• Jun 5th, 2012

The reason of wait,notify and notify all method is in Object class because monitoring happens in object level not on thread leave so it has to be in object class.

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suvojyotysaha

• Apr 23rd, 2012

First ask yourself the question as to why is static used? Static helps us use those static members of the class directly, without creating an object. Second of all the outer classes are already perc...

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Can we decalre java inner class as private and protected?
If yes....please explain
If No....please explain

Priya

• Jan 28th, 2013

If it is a Regular Inner Class or Static Inner class private and protected modifiers can be applied. If it is a method local inner class, then we can use only abstract or final modifier.

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