Skill/Topic: AWT & AppletsA) key

Thiyagarajan.N

• Mar 20th, 2007

Super keyword is used to invoke the over-ridden method in case of over riding concept. Using 'this' keyword i can get the value of instance variable to the current object.

mother

 Profile Answers by mother Questions by mother

• Apr 9th, 2006

what is the use of super keyword ?how it differs from  this keyword

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Thiyagarajan.N

• Mar 20th, 2007

FileInputStream is used to read the file byte by bytes. FileReader is used to read the file character by character.

sivanesh.a

 Profile Answers by sivanesh.a Questions by sivanesh.a

• Dec 24th, 2006

FileInputStream: reading data as stream.FileReader: reading data as binary

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Ek

• Mar 19th, 2007

URLDecoder

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riyaz

• Mar 19th, 2007

 String object value are constant. StringBuffer object values can be modified and they can be growable.  In StringBuffer, values can be inserted anywhere(even in the middle), but it is not possible with String.

Kiran Saluja

• Mar 18th, 2006

String represents fixed-length, immutable character sequences. String Buffer represents growable and writeable character sequences.

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Muruga

• Mar 18th, 2007

Different type of modifiers    1. public     2. private     3. Protected     4. defaultThese are also known as qualifier

Aashish Renapurkar

• Oct 8th, 2005

Public , statics, final

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bihag

• Mar 17th, 2007

Cbecause u develope array x[0],x[1],x[2],x[3],x[4]y=-2x[y] ==> give exceptionx[5] ==> give exception

rebel246

 Profile Answers by rebel246 Questions by rebel246

• Oct 12th, 2006

Option c

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Casttro

• Mar 15th, 2007

Java is defined in both "pass by value" and  "pass by ref" . In pass by value technique is just a copy of aurguments are passed to the method ( EX: cal(20,5.225) and in pass by ref technique is just a ref to the values are passed to the method (EX:cal(Cat, Dog))

ajaykjha

 Profile Answers by ajaykjha Questions by ajaykjha

• Oct 15th, 2006

Java has both pass by value and pass by ref. When primitive types are passed, they are passed by value but when objects are passed, they are passed by ref. And reference itself is passed by value.

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A) UTF characters are all 8-bits.B) UTF characters are all 16-bits.C) UTF characters are all 24-bits.D) Unicode characters are all 16-bits.

abhishek79

 Profile Answers by abhishek79 Questions by abhishek79

• Mar 14th, 2007

the char datatype in java is of size 2 bytes that means 16 bits and support the unicode rather ascii in other languages so that format must beUTF-16Abhishek Gupta

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An abstract class may not be declared as final.

Novy

• Mar 6th, 2007

A compile-time error occurs if a class is declared both final and abstract, because the implementation of such a class could never be completed

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Novy

• Mar 6th, 2007

JavaTM Native Interface (JNI) is a standard programming interface for writing Java native methods and embedding the JavaTM virtual machine* into native applications. The primary goal is binary compa...

Arun

• Jul 21st, 2005

Java Native Interface: It defines the way that a Java program can call programs written in languages like C.

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Novy

• Mar 6th, 2007

The full path to the classes directory, <path_two>classes, is called the class path, and is set with the CLASSPATH system variable. Both the compiler and the JVM construct the path to your .cla...

shanthini

• Nov 5th, 2005

Import is used to import .ie bring ur java packages to ur source(like io, sql and net packages)The classpath is one where, u need specify the path of the jvm to ur class file

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Ch.Nagaraj

• Mar 1st, 2007

Performance tunning means making a java application to run fast1)Clear unwanted garbage collection from the memory2)Contatenation of strings must be avoided if possible which effects highly on the performance of the application3)Using streams buffered input stream must be avoided

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Suresh R

• Mar 1st, 2007

Whenever a customized exception is to be thrown to the user, then the customized or user defined exception classes are created.  These classes basically extends the Exception class.When the excep...

hi_goura

 Profile Answers by hi_goura Questions by hi_goura

• Dec 4th, 2006

User defined exception is nothing but a sub-class of Exeption class. And when you are trying to throw or catch thatexception, an object of that will be created. And the basic concept says all the objects are stored in Heap memory.And your exception also...ThanksGourahari

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mukesh kumar

• Feb 26th, 2007

if u want to add the tld file in struts than you have add one line that is< @ taglib uri="/WEB-INF/struts-bean.tld" prefix="struts-bean" %>

sirisha

• Oct 17th, 2006

<!--- firstgive the entry point in web.xml file<taglib><taglib-uri>/WEB-INF/app.tld</taglib-uri><taglib-location>/WEB-INF/app.tld</taglib-location></taglib>At th...

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Radhakrishna Billa

• Feb 23rd, 2007

HI,  We can't get the session Id after the session has been destroyed.But there is a mechanism using which one method will be called before the session is going to be destroyed...

sivanesh.a

 Profile Answers by sivanesh.a Questions by sivanesh.a

• Dec 4th, 2006

Not possible.

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pallavi

• Feb 22nd, 2007

Three process are stared, not the thread

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azad

• Feb 21st, 2007

Using java.net.URLURL url=new URL(http://www.[somesite].com);InputStream is=url.openStream();

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Tafazzul hasan

• Feb 21st, 2007

  Differences...  a> HashMap provides the implementation of Map Interface by using hashtable         where as TreeMap provides the implementation o...

justAnother

 Profile Answers by justAnother Questions by justAnother

• Nov 16th, 2005

The following link provides a table with details of collections in java. http://mindprod.com/jgloss/collection.html

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Tafazzul hasan

• Feb 21st, 2007

We can not Serialize Static members.

james

• Sep 17th, 2006

srinivas what are you doing?you trying to deviate the programmer by your own code.static members are cant be serializablewhat ever you did in side your program that is just using the local heap of the...

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Tafazzul hasan

• Feb 21st, 2007

Types of Synchronization  1> Method Level Synchronization             a>   Method Synchronization   ...

Deepthik

• Apr 26th, 2006

             Types of Synchronization:1)Method level Synchronization: A method can be Synchronized by adding a perfix word "Synchronize". He...

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