Java development kit install easy and simple method

Computer program is a execute the program code. Recent is program cannot be understood direly. But that converted to the machine code. Computer program is five generation. Java is a most foremost programming language. Java and C++ is main programming language is this generation.
What is JAVA? 
 Java was developed by James Gosling at Sun Micro systems is 1991. But oracle buy java sun. Java develop environment is compiler, Interpreter, Documentation generator, Class file packaging tolls.
Main content JAVA?
Java is a perform independent program language. But Java run time environment is base for java programming. JDK is the run time environment.
 Version                     Date  JDK1.0                       01.23.1996
J2SE1.1                      02.19.1997
J21SE.2                      05.08.1999
J2SE1.3                       05.08.2000
J2SEK5.0                    09.30.2004
Java SE 6                    12.11.2006
Java SE 7.0                 02.18.2011
   Lateus version is Java SE 7.0 So You can install it's.

How To Install (JDK-Java Development Kit)
  First check your computer already install jdk. Open the command prompt. Type a javac enter you can see error or the java details. (Start->run->cmd->javac->Enter) So you ready install java (JDK-Java Development Kit). Firtst you check you Os version Click Check.
Flow the Download Jdk run file.

Linux ARM v6/v7 Soft Float ABI	65.09 MB	jdk-7u21-linux-arm-sfp.tar.gz
Linux x86	80.35 MB	jdk-7u21-linux-i586.rpm
Linux x86	93.06 MB	jdk-7u21-linux-i586.tar.gz
Linux x64	81.43 MB	jdk-7u21-linux-x64.rpm
Linux x64	91.81 MB	jdk-7u21-linux-x64.tar.gz
Mac OS X x64	144.18 MB	jdk-7u21-macosx-x64.dmg
Solaris x86 (SVR4 package)	135.84 MB	jdk-7u21-solaris-i586.tar.Z
Solaris x86	92.08 MB	jdk-7u21-solaris-i586.tar.gz
Solaris x64 (SVR4 package)	22.67 MB	jdk-7u21-solaris-x64.tar.Z
Solaris x64	15.02 MB	jdk-7u21-solaris-x64.tar.gz
Solaris SPARC (SVR4 package)	136.09 MB	jdk-7u21-solaris-sparc.tar.Z
Solaris SPARC	95.44 MB	jdk-7u21-solaris-sparc.tar.gz
Solaris SPARC 64-bit (SVR4 package)	22.97 MB	jdk-7u21-solaris-sparcv9.tar.Z
Solaris SPARC 64-bit	17.58 MB	jdk-7u21-solaris-sparcv9.tar.gz
Windows x86	88.98 MB	jdk-7u21-windows-i586.exe
Windows x64	90.57 MB	jdk-7u21-windows-x64.exe

Download you os version after run the exe file. You installed jdk 7.0. Recheck you command prompt javac. (Start->run->cmd->javac->Enter)
So your ready to run java. Wait Where is Going to You have one step finish the jdk run time environment. Open you jdk install place (mycomputer->C->Program Files->Java->jdk1.7.0_21\bin) Click here open that place. After copy C:\Program Files\Java\jdk1.7.0_21\bin. So open my computer properties->Advance Setting -> Environment variable->  New name is path value is C->Program Files->Java->jdk1.7.0_21\bin.
 

 Ready To the jdk run time environment Success.