Installing Java JDK in Windows 7 and setup the Path ***Solution**
First Install java JDK in your computer as recommended installation.
Now you need to set up the path in Windows 7 for use your JDK, the JDK contains the java applications for run and compile java programs in a folder called "bin".
go to control panel, system, advance system settings , environment variables.
click -new- in USERS VARIABLES
the name of the variable must be "path" and the next line the location of the jdk.
Don't use "java or jdk" like variable name or it will not work
the name of the variable must be "path" so windows will know that is a path.
now you are ready for use the jdk.