soumya

• Jul 19th, 2006

I dont think there is provision for finding address space but yes you can find the total memery and free memory by usiing commands freeMemeory() and totalMemory

Paul

• May 21st, 2006

I don't know whether you can get the address of the object or not.. but ...hashCode will not give you the address.

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jimmy514in

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• Oct 30th, 2010

owever the declaration of a member needs to appear before it is used when the use is in a member initialization expression...this is not correct..!!

satyarajasekhar

• Jun 11th, 2006

A variable's scope is the region of a program within which the variable can be referred to by its simple name. The location of the variable declaration within your program establishes its scope and pl...

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umesh choubey

• Jan 17th, 2007

when our class is loaded in the memery.in that time firsty the java.lang.Class class object created in the Heap. if in the heap java.lang.Class class object is created that means that class is lo...

sbarik

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• Jun 20th, 2006

Every Object has a monitor associated with it.Now threads using that object can lock or unlock the monitor associated with the object.Wait and notify methods deal with aquiring and relinquishing the l...

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sujatham

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• Aug 9th, 2007

No.Runtime Exception will occur.

sbarik

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• Jun 27th, 2006

Hi,  A dead Thread can't restart not even by calling start() again on that object.regardsSuvendu

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jimmy514in

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• Oct 30th, 2010

When you create a concrete class, all the features of abstract classes & interfaces extended earlier have to be implemented, if not already done so..so that purpose of implementing an hashmap again doesnt really suffice the need..please let me know too..

neelam

• Jul 4th, 2006

This is because AbstractMap is the abstract class and not all methods from Map interface are implemented in AbstractMap. Hence HashMap implements Map interface to implement?of the metods in Map interface.

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puneet

• Dec 23rd, 2006

the main purpose of marker interface is to check the instance of that class whick is going to implement by using instanceof()method.but is reccomendedin programming code b'coz we know that why am doin...

Nandakumar

• Jul 25th, 2006

The actual purpose of marker interface is just to mark the respective class as specific to perform a respective job, like if you use serializable interface, it just makes a mark that this class can be...

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sivanesh.a

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• Dec 5th, 2006

Constant - > values cannot be changed, in java it is implemented using final keyword.

ravikgoru

 Profile Answers by ravikgoru Questions by ravikgoru

• Jul 27th, 2006

Final, it can be used in 3 ways,1. Variable declared as final, its contents cannot be changed. It value is constant through out the execution of the application2. Method declared as final, this method...

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Mallu Praveen

• Sep 23rd, 2006

 Is it advantage for the hashmap since it is not synchronizedif so explain with an example where it is usefuland where we cannot use hashtable

md manzoor murshed

• Aug 11th, 2006

Consider a situation when you need to call a method of some other application and assume that you don't have the source file access of that application...How you make make the method synchronized??? In this situation you can make the caller statement a synchronized statement..ThanksManzoor

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Vibs

• May 17th, 2007

Log4j is apache project...API used for logging purpose..You can have five various category of log defined and while coding you can write log as per the category..viz DEBUG,INFO,WARN,ERROR,FATAL..for gib projecct its advisable to use log4j instead of system.out.println.Thanks

Anindya Mandal

• Aug 9th, 2006

Log4j is the property file where you can assign the current application mode in"DEBUG", "INFO", "ERROR", "WARN" etc.sO at the time of  running the application you can see "DEBUG" , "ERROR", etc. related  messages in Tomcat Webserver.

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Kris

• Jan 28th, 2007

Also, Linked Lists perform better since, to grow, one only need add a node and adjust some 'pointers'ArrayList objects are supported by an underlying array (hence the name), thus, to grow, the ArrayLi...

Shrikrishna

• Aug 11th, 2006

public class ArrayList extends AbstractList implements List, RandomAccess, Cloneable, SerializableResizable-array implementation of the List interface. Implements all optional list operations, and per...

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Plane Old Java Objects

NAIK

• Sep 14th, 2006

PLAIN OLD JAVA OBJECT

sateesh

• Aug 21st, 2006

Thank u

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N.SRINIVASAN

• Oct 10th, 2006

In the object oriented paradigm all the objects that you code exist as objects. In all object oriented languages we have arrays to store and send and retrieve. To store objects the similar way we have...

raniraja_f2

• Sep 12th, 2006

S ur Correct

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Programming Langauge,Development Enivironment,Application Environment,Deployment Environment.

sandhya

• Apr 4th, 2007

   Hi !       Can we Define Java as  a simple ,portable,platform independent programming language used for internet applications  

ramana

• Sep 19th, 2006

java is the one type of coffieand it is useful for developing for the real time fuctionalitiesex. debit cards

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AnandKarthick

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• Sep 11th, 2007

Struts will be the right canditate to be used in the Web layer, and Spring will be the right canditate for the business layer, because Struts have the best support with tag support built in. Spring has the advantages of IOC and dependency injection which will fit right in the business layer.

abhishek jethwani

• Feb 5th, 2007

Spring is better frame work than struts in realtime.in Spring you can use the same instance of the class once you create it in .xml with help of getter and setter but in case of struts you have to cre...

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sampra

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• Mar 11th, 2008

Collections.sort(al)

g4java

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• Sep 14th, 2007

Use Collections.sort()

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sampra

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• Feb 15th, 2008

Object--throwble---error/exception

sujatham

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• Aug 3rd, 2007

Object class is the super  class for all the java classes.Exceptions in Java are objects. All exceptions are derived from the java.lang. Throwable class.The two main subclasses Exception and Erro...

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sampra

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• Feb 14th, 2008

Legacy classes are something like old verson

g4java

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• Sep 14th, 2007

Legacy classes are something like older versions when compared to new ones and that are now harder to maintain.

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sampra

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• Feb 14th, 2008

If you want to change the design of the application at the time of implementation

vijay DJ

• Aug 16th, 2007

If you want to change the design of the application then we will go for the Interface.

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sampra

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• Feb 22nd, 2008

With the help of serilization and exterlization  

g4java

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• Sep 14th, 2007

Its done by standard java serialization.

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Employee object having emp name, emp id, emp salary... An arraylist has a list of employee object.How will you sort this arraylist?

Gaurav Singh

• Jul 13th, 2011

Implement the Comparator Interface for the Employee Class. Then customize your sort in the implemented method from interface

NGKiran

 Profile Answers by NGKiran Questions by NGKiran

• Mar 15th, 2011

Implement Comparable interface for the class Employee, customize your require in the implemented method from interface

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