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Where the CardLayout is used
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What is bean? Where it can be used
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What is polymorphism
sivanesh.a
- Dec 6th, 2006
More than one form - > compile time and runtime polymorphism(virtual function).
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What it the root class for all Java classes
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Why Java is not fully objective oriented
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How can a dead thread be started
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Difference between Interface & Abstract class
sivanesh.a
- Dec 6th, 2006
Interface - has only declarations, no objects are created.abstract class - sub class must extend this, objets can be created
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Life cycle of the Applet
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Java does not supports multithreaded programming
A) TrueB) FalseExplanation: Java supports multithreaded programming, which allows you to write programs that do many things simultaneously
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What is transient variable
Srilatha
- Dec 5th, 2006
When an instance variable is declared as transient, then its value need not persistwhen an object is stored.
srinivasaraobora
- Oct 11th, 2006
Hi,This is srinivas from geektalk.When we need not to be serialized an object then we go for object to be declared as transient. this is the real time situation we need to use transient.when we use DT...
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This() is used to invoke a constructor of the same class.
Skill/Topic: InheritanceA) TrueB) False
kumar
- Jan 10th, 2006
true,
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How to execute a C file from JAVA Applications?
Sree
- Feb 21st, 2006
Using JNI API.
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If i use System.exit(0) in the try block or catch block will finally block will be executed?
Amit Kumar
- Feb 28th, 2006
no, it will not executed. But if u use return clause instead of System.exit(0), then the finally clause executed.
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What is the garbage collection?
sankris
- Mar 23rd, 2006
In computer science, garbage collection (also known as GC) is a form of automatic memory management. The garbage collector or collector attempts to reclaim garbage, or memory used by objects that will never again be accessed or mutated by the application
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Whats the dfferende between Applet and JApplet
sivanesh.a
- Dec 4th, 2006
Applet - works slower, heavy weight component,JApplet - faster, light weight component.
suresh.bandlamudi
- Mar 20th, 2006
applet contain native methods(developed inc,c++) and is in awt package and it doesnot provide good look and feelJApplet contain methods which are developed in java only it provide great look and feel
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What is the pupose of using native keyword
sivanesh.a
- Dec 4th, 2006
Using native keyword, coding from other languages (C++, VC++, C) can be used in Java.
ratna_ponnapalli
- Apr 20th, 2006
The purpose of using native is to define the method code in other languages such as c,c++
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What is Mutable and Immutable Objects?
sivanesh.a
- Dec 4th, 2006
Mutable Objects; - > values can be modified.Immutable Objects:-> Values cannot be modified.
sarrajuvarma
- May 29th, 2006
The objects whose contents can be modified are called as MUTABLE objects.Ex : StringBufffer class objects.The objects whose contents cannot be modified are called as IMMUTABLE objects.Ex : String clas...
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What is significance of the integer value in System.exit( int value );
sivanesh.a
- Dec 4th, 2006
System.exit(0); // Exiting the program without any error.System.exit(any other value); // exiting with some error.
Pankaj Mishra
- Jun 21st, 2006
System.exit(0) function is used for terminating the running program.Integer which we passes in the function tells to the operating system how the running program terminates.if we pass 0 then OS unders...
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How can java supports Operator Overloading?
sivanesh.a
- Dec 4th, 2006
Operator overloading is not there in Java. . But internally it used operator overloading concept.eg: (1+2) ; // it performs addtion;; ( "string1"+"string2" ); // it performs concatenation..
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When to use a CharacterStream or a ByteStream
sivanesh.a
- Dec 4th, 2006
Use bytestream if you are writing a program such as filecopy, filetranser etc.
ajaykjha
- Oct 16th, 2006
In general, we should use the character stream classes when working with characters or strings, and use the byte stream classes when working with bytes or other binary objects.
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