Java Installation Windows

Java Installation on Windows

Steps to install oracle Java

•      Check Your Operating System and view System Type for this follow below          steps
•    Right click on Computer icon->properties->see the system type

  

  System type
  
  

  ·        Now go to downloads and select as per configuration of your machine

  ·        After downloads go to the downloaded file as it is .exe ,Double click

  ·        A wizard will come and follow the installation wizard.

  Now java is installed on the machine.

  To know weather java is installed or not

  Open cmd and type  javac and check the result below 

  
  

  

  Result 

  Updating the PATH Environment Variable (Optional)

  You can run the JDK without setting the PATH environment variable, or you can optionally set it so that you can conveniently run the JDK executable files (javac.exe, java.exe, javadoc.exe, and so forth) from any directory without having to type the full path of the command. If you do not set the PATH variable, you need to specify the full path to the executable file every time you run it, such as:

  C:\> "C:\Program Files\Java\jdk1.7.0\bin\javac" MyClass.java

  It is useful to set the PATH variable permanently so it will persist after rebooting.

  To set the PATH variable permanently, add the full path of the jdk1.7.0\bin directory to the PATH variable. Typically, this full path looks something like C:\Program Files\Java\jdk1.7.0\bin. Set the PATH variable as follows on Microsoft Windows:

  1.     Click Start, then Control Panel, then System.

  2.     Click Advanced, then Environment Variables.

  3.     Add the location of the bin folder of the JDK installation for the PATH variable in System Variables. The following is a typical value for the PATH variable:

  C:\WINDOWS\system32;C:\WINDOWS;C:\Program Files\Java\jdk1.7.0\bin

  Note:

  ·         The PATH environment variable is a series of directories separated by semicolons (;) and is not case-sensitive. Microsoft Windows looks for programs in the PATH directories in order, from left to right.

  ·         You should only have one bin directory for a JDK in the path at a time. Those following the first instance are ignored.

  ·         If you are not sure where to add the path, add it to the right of the value of the PATH variable.

  ·         The new path takes effect in each new command window you open after setting the PATH variable.

  
  

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