Need for Java!!!!

It is support for w.w.w.& service of the internet to retrieve information in the form of web pages.The motive behind to develop Java language was the need for portable & platform independent language that could be used to produce code that would run on variety of C.P.U.under different environment.Java is a platform independent language that enables you to compile an application on one platform & execute it on any platform.Its saves our time & effort to write the same application on different platform.
To write variety of application we use Java .The few types of Java application are:-

1. Character User Interface(CUI):- It is executable programs that are controlled by operating system.These applications have an access to the system resources such as file system & can read & write to the files on the local computers.
2. Graphical User Interface(GUI):-It is used in window environment .In GUI ,you interact with applications in graphic mode.
3. Applets:- Applets are small executable programs that run on web page . These programs require a Java enabled browser,such as Internet Explorer.Applets are limited access to system resources.
4. Servlets:-It is to extend the functionality of the web server.It is on server side.
5. Packages:- It is collection of classes that are reused to by applications & applets. 

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WHAT IS JAVA?


Java is a programming language originally developed by James Gosling atSun Microsystems and released in 1995 as a core component of Sun Microsystems' Java platform. The language derives much of its syntax from C and C++ but has a simpler object model and fewer low-level facilities. Java applications are typicallycompiled to bytecode (class file) that can run on any Java Virtual Machine(JVM) regardless of computer architecture. Java is a general-purpose, concurrent, class-based, object-oriented language that is specifically designed to have as few implementation dependencies as possible. It is intended to let application developers "write once, run anywhere". Java is currently one of the most popular programming languages in use, particularly for server-client web applications.

The original and reference implementation Java compilers, virtual machines, and class libraries were developed by Sun from 1995. As of May 2007, in compliance with the specifications of the Java Community Process, Sun relicensed most of its Java technologies under the GNU General Public License. The Java language is called "oak" after oak tree stood outside Gosling office then it again renamed "JAVA".It is platform independent.It is intended to let application developers "write once and frun anywhere".

Java for beginners!: A guide to Java for beginners

Java for beginners!: A guide to Java for beginners

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A guide to java for beginners!


The Java computer language is known as a high level programming language. It was developed by Sun Microsystems in 1995, and was intended for mobile devices to be able to "talk" to each other.The goal of the Java programming language was to make it so that a developer who programmed on one computer could run his/her code on another machine, even if the two machines were nothing alike. With other programming languages, such as C++, the same code is interpreted differently on different machines. I think that Java is a great computer language to learn. I am certainly glad I learned it, and I know for a fact that Java is the language to learn if you're just starting out. There's just too much potential with Java that is so easy to unlock.