If all the methods in the Abstract class is defined, then it is a Abstract class? And can we make object out of it?

sampra

 Profile Answers by sampra Questions by sampra

• Mar 16th, 2012

We cant create the instance of abstract class ..here we need sub class which extended this class .we can have ref var of abstract class

Amit Khaware

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• Jun 29th, 2011

First thing first, An abstract class without any abstract method means you are loosing the main intent fo abstractness, why we are making abstract class is to provide some of common implementation and...

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What is use of the servletconfig

josesaid

 Profile Answers by josesaid Questions by josesaid

• Jul 27th, 2011

The ServletContext is the way to comminucate with the whole application, and the servletconfig is to communicate just with the actual servlet... Greetings..."java5 this.getServletC...

vinodk.05

 Profile Answers by vinodk.05 Questions by vinodk.05

• Jul 27th, 2011

ServletContex is used to hold information required through out application. One object created for per application and remain active until server is up. while servlet config is used to hold informatio...

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sbarik

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• May 12th, 2007

Reassign the standard error stream of java by using following method of System classpublic static void setErr(PrintStream err)then you print error messages by writting System.err.println("!!!!Error!!!");

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1)SessionBean 2)EntityBean 3)MessageDriven Bean

vikram1023

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• Feb 4th, 2008

Is the question on JTA ?

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xortha

• Mar 28th, 2007

when ejb server doesn't provide db specific method to provide primary key, e.g. for jboss - if you don't specify appropriate entries in jbosscmp-jdbc.xml's (<auto-increment/> for <...

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Reena

• Mar 26th, 2007

  The doomed transaction acts like a read-only transaction. Reads may be done, but any statement that would result in a write to the transaction log will fail with error 3930

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A: In-process B: Local and remote C: All of the above D: None of the above

Sandhya.Kishan

 Profile Answers by Sandhya.Kishan Questions by Sandhya.Kishan

• Jun 22nd, 2012

A:in-process is one of the type of COM server.

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Sandhya.Kishan

 Profile Answers by Sandhya.Kishan Questions by Sandhya.Kishan

• Jun 22nd, 2012

"Messageerror" GIOP type is sent as a response to the malformed or otherwise invalid messages. It is not used to report errors outside the messaging system; such errors are reported using the Reply message.

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vinaymudgil007

 Profile Answers by vinaymudgil007 Questions by vinaymudgil007

• Jun 10th, 2008

Boss..... the question isn't clear!! im not sure if we have some trminology as "data object".please elaborate

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DJ

• Apr 12th, 2007

Static before main method is used because main method is called by the JVM, with out making any object of that class, since to call any method of the class we meed some obj of the class, but here befo...

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syedashazama

• Mar 14th, 2007

The most simple and obvious reason is that any Object (not just a thread) can be the monitor for a thread. The wait and notify are called on the monitor. The running thread checks with the monitor. So the wait and notify methods are in Object and not Thread.

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Sathesh kumar

• Mar 18th, 2007

??In many software concern handle project based Projects ,and few are doing product that means there in no unique client for that projects and the developer or?programmer ?didnt know about the cli...

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A.Durga Ganesh Reddy

• Nov 27th, 2007

To define a class with in another class, such classes are called Nested classes.The most import nested class is inner class. i.e. An inner class is a non-static nested class.difference:>A Nested class...

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teju

• Nov 5th, 2007

Yes java does reference counting

Arundathi

• Jul 1st, 2005

It is more likely that the JVMs you encounter in the real world will use a tracing algorithm in their garbage-collected heaps

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priyanka

• Sep 30th, 2005

Hashtable will change the iterator by using Enumerator interface.Yes,we can iterate a hashmap using the entrySet() method.

Mary

 Profile Answers by Mary Questions by Mary

• Sep 11th, 2005

Hash table based implementation of the Map interface. This implementation provides all of the optional map operations, and permits null values and the null key. (The HashMap class is roughly equivalen...

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sandeep

• Nov 7th, 2005

U can thru batch process

sandeep

• Nov 7th, 2005

yes u can create executable for java just download install4j and use it

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I dont know

jegadeesh

 Profile Answers by jegadeesh Questions by jegadeesh

• Nov 8th, 2005

Serialisable interface is the interface which is automattically implemented by all of our class. for java bean it is used.

Manikant

• Oct 31st, 2005

No interface is implicitly implemented, 'coz once you implement some interface u should implement all the methods of that interface.

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What is ans.

pavani

• Nov 18th, 2005

Struts Framework based on MVC Design pattern.M, the model Component which has all the business logic in it and V - View is for the Presentation. Jsps form the presentation part of it. JSPs contain any...

venkatram reddy

• Oct 26th, 2005

Structs is a MVC model architecture provider.Its not easy to explain whold procedure here. But certainly struts provides interfaces which should be implemented by the servlets and configured in XML files which takes care of redirections.

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Amjad

• Nov 17th, 2005

We can access the Java values in javascript like above mentioning.coz,javascript is using for client side validation,etc  in webpages like HTML. So,this(JavaScript) is  not allow in any...

Yogesh Kumar

• Oct 21st, 2005

<%   String str = "123";%>    function f()     {         alert('<%=str%>');      }

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venkatram reddy

• Oct 25th, 2005

Yes. The name abstract itself explains that some this is hidden. The complete implementation may not be done in abstract class. But some thing which you don't want to disclose can be done in an abstra...

Illur Iqbal

• Oct 17th, 2005

Abstract class must be extended/subclassed (to be useful). It serves as a template. A class that is abstract may not be instantiated (ie, you may not call its constructor), abstract class may contain ...

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