About Java Platform:

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The following post is written by Deepanker Verma admin of www.hackingtricks.in.

He is a Web developer, Security consultant and a Programmer. :-)

About Java Platform:
The Java platform consists of the Java application programming interfaces (APIs) and the Java virtual machine (JVM).

Java APIs are libraries of compiled code that you can use in your programs. They let you add ready-made and customizable functionality to save you programming time.
Java programs are run (or interpreted) by another program called the Java Virtual Machine. Rather than running directly on the native operating system, the program is interpreted by the Java VM for the native operating system. This means that any computer system with the Java VM installed can run Java programs regardless of the computer system on which the applications were originally developed.


Java Programming Language

The Java programming language is a high-level language that can be characterized by all of the following buzzwords:

• Simple
• Architecture neutral
• Object oriented
• Portable
• Distributed
• High performance
• Multithreaded
• Robust
• Dynamic
• Secure

In the Java programming language, all source code is first written in plain text files ending with the .java extension. Those source files are then compiled 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 VM). The java launcher tool then runs your application with an instance of the Java Virtual Machine.

Because the Java VM is available on many different operating systems, the same .class files are capable of running on Microsoft Windows, the Solaris TM Operating System (Solaris OS), Linux, or Mac OS. 

 

 

To be continued :)