Sander

• Mar 20th, 2006

Using ObjectStream to read object and count size.

nakt

• Nov 18th, 2005

You can check Runtime r = Runtime.getRuntime() ;r.freeMemory() ;before and after the creation of the new Object you can check the memorty and by subtraction u can get the used memory. Not accurate but useful.

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ravisgf

• Jun 22nd, 2006

How can we Access private Methods through Reflection? Please eloborate...

ahujaji

• May 14th, 2006

why not .... reflection is the only way by which we can access private methods of a class..if u need the code i can provide that

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srinivas

• May 17th, 2006

hi,JVM is part of JRE.i.e JRE = JVM + java libraries.ok baye...................keeps smiling and mailingbora_srinivasarao@yahoo.co.inif any want java material & doubts regarding j2se ,j2ee pl...

Bala

• Dec 21st, 2005

Hai,  The JVM is core for JAVA programing , When you are trying to run applet or Frame based Application(developed by applet or swing ) there JRE Should be there. With out JRE ,you can run the simple java code which dont have any applet or swing components.Ciao.  

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anurag

• Aug 16th, 2011

A primitive data structure is generally a basic structure that is usually built into the language, such as an integer, an array or a linked-list. Primitive types are declaration types and the primitiv...

gudlarajesh

• Nov 4th, 2005

primitive data types are the datatypes which are not objects as they are present in c and c++. eg.int,chat etc.where as non primitive are the datatypes which are considered as objects eg. String.this ...

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Me

• Feb 5th, 2007

The post is wrong. 10 >> 2 != 5. X >> Y is the same as X / (2 ^ Y). 10 is 1010 and >> 2 is right shift two. That would result in 2 (or 10 in binary), not 5 (101 in binary).

karthik

• Nov 1st, 2005

It is right shift operator, which will produce divide by 2 action. For example 10>>2 will produce 5. the binary value of 10 is "1010" if we right shift the above by one position it will be "0101" this is equivalent to 5.

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sandhya

• Apr 16th, 2007

   Hi !     To make a variable immutable declare the variable as final  so that the values cannot be changed .

Ramesh Mandaleeka

• Oct 18th, 2005

Provide a constructor to initilize the variable and remove the mutator method ( setter method) for that variable.

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navneetgoyal2000

 Profile Answers by navneetgoyal2000 Questions by navneetgoyal2000

• Jan 6th, 2011

I suppose yes, an ABS class can have a Private Constructor, AS LONG AS there is another C'Tor in the ABS class, which is PUBLIC AND, derived class C'TOR is written in a way, to call only PUBLIC C'TOR of ABS class.I think, we should check it on programming, for better understanding.

rajesh

• Nov 4th, 2005

Hai,an abstract class cant contain a private constructor bcs, as the abstract class is to be subclassed and when the object of the subclass is created the constructor of the super class is called ...

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anil kumar

• Oct 27th, 2005

We can convert ArrayList into equalent synchronized List by passing ArrayList object to Collections.synchronizedList(List li); it returns synchronized List type of object.so we can say that ArrayList can be synchronized

anil kumar

• Oct 27th, 2005

We can convert ArrayList into equalent synchronized List by passing ArrayList object to Collections.synchronizedList(List li); it returns synchronized List type of object.so we can be synchronized.

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phani

• Feb 25th, 2006

Hai, socket-------this is a point of connecting server and client machine.for example it's like an electric plug. server socket-----this is a end point where, it'll accept all new incoming c...

gagan2914

 Profile Answers by gagan2914 Questions by gagan2914

• Nov 11th, 2005

socket=port + ipin layman language socket is just like for where ip is the adress of that fort and port is the gate to enter in to that fort.server socket is the socket which present on server side basically used to listen request from clients

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Srikanth

• Jan 18th, 2006

Pointer are used in c as a new memory is allocate every time a variable are method is created so we use call by refference (&name) and (*name will use the address location), in java memory management is taken care by GC.

anjani

• Jan 16th, 2006

   even in the 'c' language we dont use the pointers,what is the major difference between them ,insted of them what we use in t he java we have any alternative in this.  what is the use of pointers what are the demerits of the pointer using

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ejazazeem79

 Profile Answers by ejazazeem79 Questions by ejazazeem79

• Dec 9th, 2005

Try using java.sql.Date or java.sql.Timestamp

ejazazeem79

 Profile Answers by ejazazeem79 Questions by ejazazeem79

• Dec 9th, 2005

I think you must check the following two classes 1. java.sql.Date 2. java.sql.Timestamp

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I know that the Object is the instance of a class

saimsccs

 Profile Answers by saimsccs Questions by saimsccs

• Nov 9th, 2005

I Think both are One only.When we execute a class an instance of that class will be created.sai Thikkireddy

Mukesh Bansal

• Nov 3rd, 2005

Instance is you can is relationship in between the object and class. Lets suppose there are many objects in a program. You always assign a instance of a class to a object.  like new ABC() is an instance of class ABC.ABC abc = new ABC();here abc is object which contains instance of class ABC.

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Dhayanand darshanala

• Nov 4th, 2005

Array list are fixed and vector are growable

Vikas J Mandal

• Oct 30th, 2005

Vikas J Mandal Wrote: Sometimes Vector is better; sometimes ArrayList is better; sometimes you don't want to use either. I hope you weren't looking for an easy answer because the answer depends upon w...

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Dinesh

• Nov 19th, 2005

The Request from the clientside(Browser) and calls by the EjbContainer itself.The Callback functions are:ejbCreate(),setSessionContext(),ejbRemove(),ejbActivate(),ejbPassivate()

vivek barsagadey

• Nov 19th, 2005

The function is implement by you but call by container it self.like the life cycle of any class likeservletinit()service()destroy()and in ejb we have ejbCreate() like...........

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BHASKAR CHAUHAN

 Profile Answers by BHASKAR CHAUHAN Questions by BHASKAR CHAUHAN

• Jul 16th, 2007

hi friend,              static is a java keyword and we don't hava need make a instance of static variable.   &...

samyu

 Profile Answers by samyu Questions by samyu

• Nov 24th, 2005

Static is a java keyword.whenever a variable is defined as  static such variable  will be created  only once in a memory for all the instances of the class.all the instances of the class will share the latest value of the static variable.

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A) oneB) twoC) noneD) three

sandeep sharma

• Sep 25th, 2011

One

nagarajan

• Apr 17th, 2006

only one

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A) Java CompilerB) Java Interpreter.C) Both of the aboveD) None of the aboveExplanation: The Java Compiler is used for compilation and the Java Interpreter is used for execution of the application.

p_kandukuri

 Profile Answers by p_kandukuri Questions by p_kandukuri

• Aug 23rd, 2006

ContradictoryFor executing, Interpreter is used. Answer should be Bif you are going logically to the question, there is no answer,to execute a java program, 1. Check for java pakages, 2. Check for jre...

venmani

• Jul 17th, 2006

Answer c

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A) TrueB) False

Sagar

• Jan 17th, 2022

True

prajkta mamidwar

• Feb 1st, 2006

falsejava.lang package is imported automatically in our class at compile time

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A) newB) dotC) equalsD) none of the above

Deepika

• Nov 28th, 2020

Dot

prajkta

• Feb 1st, 2006

You would use the _new___ operator to create a single instance of a named classex public class XyzXyz x=new Xyz();here x is instance of class Xyz using new operator

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A) Each new object has its own distinctive set of instance variablesB) Each object has a copy of the instance variables of its classC) the instance variable of each object are seperate from the variables of other objectsD) The instance variables of each object are stored together with the variables of other objects

fdfd

• Aug 15th, 2013

A, b

prajkta

• Feb 1st, 2006

Each new object has its own distinctive set of instance variables is truenone other stmts

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