Muthu.J

• Sep 15th, 2005

There are number of packages in java.Some of them are java.util, java.text, java.io, java.sql, java.lang, java.math, java.security, javax.swing, javax.rmi, javax.ejb, javax.servlet, javax.transaction

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Muthu.J

• Sep 15th, 2005

You can use the keyword transient, for which you don't want to be serialized.

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Srikanth

• Sep 16th, 2005

Object has physical existance and class doesn't have physical existance .Object is an instance of the class and class is templete for the object

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Jagdeep

• Sep 17th, 2005

Features:-===========================================Topic  Java C++ Pointer No Yes OperatorOverload No Yes Preprocessors No Yes Structures,Unions No Yes Enums No Yes Functions No(only methods wi...

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Panel

satheesh

• Sep 19th, 2005

The Immediate super class of Applet is PANEL

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kmhariharan

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• Sep 15th, 2005

Protected:Class is declared as protected, then child classes or derived class only can access the class members(memeber variables and methods).Friendly : Class is declared  without any access Spe...

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nagaraju. v

• Sep 21st, 2005

Yes it supports multi dimesional arrays.var a=[ [1,2], [3,4],[5,6]];o/p= 1 2 3 4 5 6

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yogeshpanda

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• Sep 22nd, 2005

Initially it didnt as java uses "extends" word for inheritance but it didnt allow us to extend more then one class.So the concept of "interface" came which is like abstrct class but with strictness th...

RIT

• Aug 4th, 2005

Yes.. multiple inheritance used in Java but in the case of the intefaces[B] .  public class ABC aextends XYZ implements abc, pqr, xyz

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yogeshpanda

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• Sep 22nd, 2005

Polymorphisn means---One name many form.2 type:Compile time:Overloding.Run time:Overriding.ex.Overloading.class A{ int add(int a,int b) { } float add(float a,float b) { }}Both using same nam...

dhinesh

• Sep 12th, 2005

Single object can perform multiple operation. Ex: like calculator

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yogeshpanda

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• Sep 22nd, 2005

Deadlock can be explained as ------ a1 is used by A b1 is used by B Now without leaving (lock-sychronised) ...

Muthu.J

• Sep 15th, 2005

During multithreading process, it may happen for a same variable which is to be get incremented in a method and the same variable is needed for processing in another method. This critical co...

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yogeshpanda

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• Sep 22nd, 2005

java beans r the reusable components.There r 2 kind of java beans.1.Code based-EJB2.GUI based-Using BDK,beanbox.Code based is used to reuseing the code & so making diff. layers for business object,dat...

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yogeshpanda

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• Sep 22nd, 2005

Manifest file is used in case of GUI based Java Beans.This file tells which files in a jar file are really beans.We jst have to write their-bean=true.So its for finding the bean file from all file in jar file.

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yogeshpanda

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• Sep 22nd, 2005

Set & get

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yogeshpanda

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• Sep 22nd, 2005

JNI is Java Native interface.Its used for calling method of other language.i.e from java we can call c ,c++ or any other language.Used when we have a method already working succesfully in any lang(c,c...

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yogeshpanda

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• Sep 22nd, 2005

Public--Can be invoked from anywhere.static--Invoked by class,no need of object.void--Cant return anything.Main--method name i.e used to start the execution of prg.

yogeshpanda

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• Sep 22nd, 2005

Public--Can be invoked from anywhere.static--Invoked by class,no need of object.void--Cant return anything.Main--method name i.e used to start the execution of prg.

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samudralavinay_in@rediffmail.com

• Sep 28th, 2005

Exception is nothing but the Error which we can except.Error is nothing But whcih we cant expect while executing program

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When a thread terminates its processing, it enters the dead state.

snatch

• Sep 28th, 2005

The thread enters the 'TERMINATED' state. at this point, the thread is not accessible

Sumit Sengar

• Aug 24th, 2005

After thread stops processing and has completed its run method it enters a dead state. Dead here signifies that it may no more "excute". Though it still remains to be a notmal java object in memeory n u can call other non-thread specific methods on it.

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The CheckboxMenuItem class extends the MenuItem class to support a menu item thatmay be checked orunchecked.

Brijendra

• Sep 29th, 2005

MenuIten where we select more than one item using java interface and their method which implements their own method

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Madhava

• Oct 2nd, 2005

         We need to compare two strings we have a method equals(). Using this metods we can compare to strings like Ex:-String s1=?ram?;String s2=?ram?;        s1.equals(s2) it gives the Boolean result

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vinod_arya

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• Oct 2nd, 2005

it is the block which is executed in both the case, whether exception is generated or notex:class test{void disp(){try{}catch(Exception e){}finally{system.out.println("Finally");}}}

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