reddyvj

 Profile Answers by reddyvj Questions by reddyvj

• Feb 3rd, 2007

Hash Mapping is a special DataStructure, it is used for mapping the objects in memory locations.i.e objects store in stack memory and references to pointing objects are in heap for this we use a special data structure "HashMapping"

Thas

• Jan 10th, 2007

well..it was nice answer. Hasmap is class in Collection frame work. It is a one of the data structure class such as Linklist. The speciality of the Hasmap is, search time is less as compare to other d...

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Rachu

• Feb 1st, 2007

First of all - It is "TIBCO" and not "TEBCO".TIBCO is a middleware product - used to integrate applications on multiple platform. It is not related to MQ in any way. MQ is another middleware product.

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zuzupetal

 Profile Answers by zuzupetal Questions by zuzupetal

• Jan 30th, 2007

An immutable object is an object whose state cannot be modified after it is created while mutable object can be modified after it is created. An example is String and StringBuffer. My guess is immuta...

zuzupetal

 Profile Answers by zuzupetal Questions by zuzupetal

• Jan 30th, 2007

An immutable object is an object whose state cannot be modified after it is created while mutable object can be modified after it is created. An example is String and StringBuffer. My guess is immuta...

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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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Sayeed

• Jan 25th, 2007

Cheched are those which are written in its package

Kalyan Chakravarthy

• Oct 6th, 2006

Compiler will be having the list of checked exceptions.If the client's program generates these exceptions then the compiler compels the client to handle the exceptions.examples:ClassNotFoundException,...

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ramki

• Jan 24th, 2007

hiii......frendz.this ramki1)i++ vs ++i i++ : first gives the current value of " i " and then increments the value of " i " bye one. ++i : first the value of " i " gets incremented bye 1 and...

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dileep

• Jan 24th, 2007

You can create a class in a method as a normal way.That type of classes are known as "Method Local Inner Class". You can access the member variables as well as the methods of your Outer Class.You can ...

santh kumar

 Profile Answers by santh kumar Questions by santh kumar

• Dec 19th, 2006

See the following code: public class InnerClassEx { public void test(int a) { final int p=a; final class X { public void a() { System.out.println("it's statement from inner class:...

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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

 Profile Answers by sbarik Questions by sbarik

• 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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Thirumalai's Answer : Using dnd package. ( I will place a sample code if anybody is intrested )

subramanian_ram

 Profile Answers by subramanian_ram Questions by subramanian_ram

• Jan 16th, 2007

Can u plz provide a sample code. Tx.

saran

• Mar 10th, 2006

Thanks in advance.i want to move a JButton using Mouse in runtime within a JFrame.saran

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Kapil

• Jan 12th, 2007

Hi Vikram.I feel your answer is absolutely correct. However, could you please elaborate/expand on "How to program the server to either [1] create multiple instances of our servlet class or [2] to serialize the requests made to that particular servlet?"Thanks.Kapil

Vikram

• Nov 23rd, 2005

The Single Thread Model is an interface which is used to indicate that only a single thread will execute the service( ) method of a servlet at a given time. It defines no constants and declares no met...

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Jay Bardia

• Jan 8th, 2007

Extending or Inheritance signifies a 'is a type' of relationship, if your class is not a 'type' of Thread then its a bad OO design if a class is extending from Thread, in that case implementing the Runnable interface gives the flexibility of multi-threaded functionality

puneet mishra

• Dec 23rd, 2006

when we implement interface (runnable),i not getting extra overhead.but in case of extends class thead.then im getting overhead of the class.in java every class extends Object class(comic superclass) ...

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amit saini

• Jan 8th, 2007

Java(tm) is one of the mostdominant programming languages, and used for a wide range of applicationsincluding games and pervasive devices and mission-critical e-businessapplications. A Java program is...

Surya Narayan Choudhury

• Jan 26th, 2006

JIT is a part of JVM. JVM consist of different part ByteCode Verifier, Constant Pool, Security Manager etc. JIT is also a part of JVM. It make the system or enviroment to understand the optimized set of instruction i.e the bytecode's on the fly

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amit saini

• Jan 8th, 2007

Inner class

raju

• May 27th, 2006

Whenever we r implementing the keyevents,mouseevents at the time we r implementing all the methods with in that interface , Bcoz we r using Anonymous inner classes what ever methods  we want we can implement it.any wrong plz mail: send2kpraju@yahoo.com

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subramanian_ram

 Profile Answers by subramanian_ram Questions by subramanian_ram

• Jan 3rd, 2007

All those answers are lies. JAVA was named as coffee was drunk the most when it was developed. And the bean name is JAVA. thats why u see Coffee Cup as its official symbol.Enjoy.

praveen

• Jul 25th, 2006

Hi friends,   Actually,JAVA came from japan, java is the name of a flaour for tea there in japan.this was to decide the name for a new programming language. wen this java flaour tea was offered at that time and the new language was decided as JAVA.

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vikas singh

• Dec 23rd, 2006

hi your ans is too good.........

santh kumar

 Profile Answers by santh kumar Questions by santh kumar

• Dec 13th, 2006

I entered clearly. with spaces and next lines.Why i'm getting data collabarated? it is not easy to read. any suggestions would be appreciated. what should i do to be in the same format exactly how i entered. with regards, santh

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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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veera

• Dec 21st, 2006

pointers are used to locate the address in computer's memory. In c/c++ we can know the address of any variable. But in java pointers are used internally by JVM which the user cannot know.

deepak gupta

• Sep 17th, 2006

Pointers r used 2 point the adress of any data i f we have address of any data then we can find any data and hack this data but java is secure bcause of thisit is also truth that without pointer java can noy work but it is not for user for implementing and to break the security

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santh kumar

 Profile Answers by santh kumar Questions by santh kumar

• Dec 19th, 2006

To say more clearly, After compilation,JVM takes byte code of resource(Proramme). At that time it doesnt know which method is called by which object. In the case of Overloading, JVM knows which m...

hi_goura

 Profile Answers by hi_goura Questions by hi_goura

• Dec 4th, 2006

Polymorphism mean "One name, different work" and when this is applied on methods, we are having to versions of usingthe same method name with different functionality. They are "Method Overloading" and...

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veera

• Dec 15th, 2006

Threads main disadvantage is , it's creates dead lock

PRAVEEN S WANI

• Oct 23rd, 2006

As others say thread is dis-advantage. I agree for that but at the same time it also has advantages in situation of memory utilisation if we need to hold lot of data in memory we can process chunk by chunk and use memory optimaly

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Rajkumar

• Dec 13th, 2006

Use the java command options "-Xms" and "-Xmx" to specify the starting and maximum limits, respectively. See the java command documentation for details.  specify initial and max memory available ...

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