Arundathi

• Jul 1st, 2005

The Hotspot VM is a collection of techniques, the most significant of which is called "adaptive optimization. The original JVMs interpreted bytecodes one at a time. Second-generation JVMs added a...

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Arundathi

• Jul 1st, 2005

An advantage of this scheme is that it can run in small chunks of time closely interwoven with the execution of the program. This characteristic makes it particularly suitable for real-time environmen...

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Sandeep Kutwal

• Jul 17th, 2005

The painting algorithm takes as input a source image and a list of brush sizes.   sweep algo is that it computes the arrangement of n lines in the plane ... a correct algorithm,

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K Rajesh Achary

• Jul 22nd, 2005

Primary Advantages is, we don't need to add code in Java Class(attribute, Mutator Method[get/set]), Sipmply we can add new attributes by modifying XML files. Eg . ActionForm and DynaActionForm in Struts FrameWork.

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yashpal

• Sep 19th, 2005

No you cannot start garbage collection by your own.By executing System.gc() you just b sure that GC will b run, but when cannot be told. 

Vijay

• Sep 18th, 2005

Yes, by using System.gc we can implicitly call the garbage collector

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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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pradeepthi

• Sep 30th, 2005

An interface is a specification that exists between software components that specifies a selected means of interaction, by means of properties of other software modules, which abstract and encapsulate...

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S.V.Sita Kiran

• Oct 1st, 2005

A class  is declared abstract for extended clarity. If any method in the class is declared abstract then the class has to be declared abstract and the method has to be implemented in the following derived class.

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pawan powar

• Oct 18th, 2005

  In java, we have Sand box Security Model.  Some Features   Structured Memory Access(No Pointer Arithematics)   Type-safe reference casting   Automatic ga...

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Devidas Sonawane

• Oct 25th, 2005

Java is developed to make easy as compared with the C and CPP. It is overcomes ambiguity of Pointers and internally pointers are used to make user friendly. There is no technically terms to use pinter's in java as like native keyword.   

Pranali Patil

• Oct 21st, 2005

Java provides applet ,which is a major strength of java. Applets are forign programs, downloaded and executed in java compatible browser on client machine, so they are restricted to access the local m...

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

kuriakose

• Oct 1st, 2005

use componentMoved(componentEvent) method by implementing componentListener Interface.

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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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Because java supports multilevel inheritance.

mandyjoshi

 Profile Answers by mandyjoshi Questions by mandyjoshi

• Nov 11th, 2005

The half answer is explain by Krishna Prasad and Other half lies in answer of question why java does not support multiple inheritance. And how it has solved that problem using interfaces. 

krishna prasad

 Profile Answers by krishna prasad Questions by krishna prasad

• Nov 4th, 2005

case 1suppose you have a class Test, which doesn't extend any other class. So by default, Object becomes it's super class.              ...

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Jni using here but exactly do not known.

mandyjoshi

 Profile Answers by mandyjoshi Questions by mandyjoshi

• Nov 11th, 2005

Declaring Static block can be better option than static method.

Rangesh

• Nov 9th, 2005

hi,correction.do not declare a static method,declare a static block.class  xxx{ static {   System.loadLibrary(String LibraryName); } public static void main(String[] args)  {   -------------------------- }}

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mandyjoshi

 Profile Answers by mandyjoshi Questions by mandyjoshi

• Nov 11th, 2005

Class 'java.lang.Class' represent classes and interfaces in a running Java application. JVM construct 'Class' object when class in loaded. Even primitive data types have 'Class' object.

Sarva Rayudu

• Oct 31st, 2005

The hierarchy of ClassLoaders is:Bootstrap ClassLoadersExtensive ClassLoadersSystem-classpath ClassLoadersApplication ClassLoaders or (EAR ClassLoaders)EJB ClassLoaders or (JAR ClassLoaders)WARClassLoaders.

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mandyjoshi

 Profile Answers by mandyjoshi Questions by mandyjoshi

• Nov 11th, 2005

Hashset: It belongs to Set group of Collection. It allows null as value. It is not thread-safe.

Mehar

• Nov 3rd, 2005

This class implements the set interface, backed by a hash table (actually a HashMap instance). It makes no guarantees as to the iteration order of the set; in particular, it does not guarant...

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Paramesh.A

• Nov 11th, 2005

THERE  IS ONE MAJOR DIFFERENCE IN COMMANDLINE ARGUMENTS  OF JAVA AND C.LET US ASSUME THERE IS AN EXECUTBLE FILE  NAMED"COPY.EXE", WHICH SOURCE CODE IS IN C AND TAKES 2 COMMANDLINE&...

sushi

 Profile Answers by sushi Questions by sushi

• Nov 5th, 2005

Well,command line args in case of java are stringsi.e they are of type strings,this is not the case in c,it is not of type string.

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mandyjoshi

 Profile Answers by mandyjoshi Questions by mandyjoshi

• Nov 15th, 2005

Classpath: The CLASSPATH is an environment variable that tells the Java compiler javac.exe where to look for class files to import or java.exe where to find class files to interpret.Path: The PAT...

anasthesia

 Profile Answers by anasthesia Questions by anasthesia

• Nov 14th, 2005

CLASSPATH points to all the class files in your program, whereas path contains the location of all the executibles that your program needs forsuccessful run

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