Introduction To Java

Java technology is both a programming language and platform.

The Java Programming language:->
 The java programming language is a high-level langauge that can be characterized by all the following feature

1.Simple
2.Object oriented
3.Distributed
4.High performance
5.Multithreaded
6.Architecture neutral
7.Dynamic
8.Portable
9.Robust
10.Secure

In Java programming langauge, all source code is written in the plain text files ending the .java extension. Those cource files are then compiiled into .class files by the javac compiler. A .class file does not contain code that is native to your processor.it instead contains bytecodes- the machine language of the java virtual machine (java JM). The java launcher tool then runs your application with an instance of the java virtual machine.

First Simple Helloworld Program in java