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Is it true the JAVA is realy a plateform indepandent?
no, because Java does not support multiple inheritance directly.
Basil
- Sep 14th, 2007
JAVA is platform independent. It means it can run in any platform. The thing is that? the platform should have capability to run class file. The class file organised as it can run in any platform. Thread and other stuff mentioned are concept.
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Java was initially called as _____
A) Oak
yashashree
- Oct 22nd, 2016
Java was initially called as a GREEN. Becoz there team was GREEN. After that they renamed as Oak n JAVA
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What is the difference between Iterator and Enumeration? What is the difference between exception and error?What is the difference between final, finally and finalized? What is Synchronisation in threadsWhat is the difference between wait(), join(), sleep(), notify() & notifyall() methods? When should i used notify() and notifyall() methods on threads? thank u sir/mam
svsrinivas
- Aug 10th, 2009
Error comes at compilation time, Exception comes at run time. final keyword is used in three ways final int i=10; This represents i is constant we can't change the value of i; If you used in front...
vinodkashyap
- Jul 9th, 2009
Iterator - Interface to iterate over collectionsEnumertion - Type of collecton of objectsException - Occurs when some logically wrong happens in program. Can be catchedError - Not in hands of develope...
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Int and integer
What is the difference between int and integer?
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What's the difference between forward and sendRedirect?
kamaleshece
- Jan 27th, 2009
Forward will forward the same request where as the send redirect will create another request for the request which it gets.
encrypted.passion
- Jan 6th, 2008
Response.sendRedirect method retains session values.whereasForward method of the RequestDispatcher interface does not provide you this functionality.
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What are the two types of multitasking?1. Process-based2. Thread-based
A) 1B) 2C) Both 1,2D) None of the above
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The this reference is used in conjunction with ___methods.
A) staticB) non-staticC) privateD) protected.
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The Java compiler requires that a source file use the ________ filename extension
A) .hB) . javaC) >javaD) .class
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The Separator, Comma is Used to separate package names from subpackages and classes
A) TrueB) FalseExplanation: Comma Separates consecutive identifiers in a variable declaration while the Period . is Used to separate package names from subpackages and classes
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Does Java has pointer?
lincolnkal
- Oct 21st, 2008
Yes, Java definately supports POINTERS . But we are not using them externelly. the Java Runtime Environment (JRE) will take care of it. Generally it always a tough task to use pointers by the users. I...
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Why java is not 100% object oriented?
pradeep choubey
- Oct 3rd, 2011
Because in c language we use primitive data type such as int , char , boolean but c is not object oriented language. but java use all primitive type object so we can say that java is not 100 % oop lang..
abhi_csedas
- Aug 5th, 2009
Java is an OOP language but not a pure Object Oriented Programming Language.There are six qualities to make a programming language to be pure Object Oriented. They are: i) Encapsulation/Data Hiding ii...
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What is a constructor ?
A constructor is a special member function which will construct an object with user defined values whenever object is created OR A constructor is a special member function which will be called automatically to initialize the data member of a class whenever object is instantiated.
apparao.mca
- Sep 29th, 2008
A java constructor has the same name as the name of the class to which it belongs. Constructor's syntax does not include a return type, since constructors never return a value.
Sukhpal singh
- Jan 29th, 2007
HI The main purpose of constructor to initialize the fields of class . It call automatically ,when object of that class is created
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Is the following Java program run? private static void main(String args[]) { class valan { //body of the class } }
No. Compilation error will occur.The error message is : main method should be public
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Java Super Class
Which is the most super class of all the Java classes?
rhingarajiya
- May 2nd, 2009
The Object Class (java.lang.object) is the super class in the Java.If you write or use any Java class, that can inherit the instance method of Object class.
Java Interview Questions
Ans