Setting Java Classpath

            After installing java, it needs setting PATH and  CLASSPATH .   Because of CLASSPATH, we can able to use java predefined classes which are provided by java software (Sun Microsystems..).
           Because of PATH, it provides a path for OS to execute commands. In PATH, we have to set absolute path for executable files.(generally bin folder). 
   Steps for Creating PATH and CLASSPATH

•     Open MyComputer, in that on free space right click on mouse. it will open drop down menu, in that select Properties option.

              after click new it open window like the following

   

                 Next Step Now  follow the diagram ...

   

                                               

it will open window like the following 

 

                                

                  Now you type

                         as Variable Name : PATH

                             Variable Value : C:\Program Files\Java\jdk1.6.0\bin;

       click OK button

                                                            

  

Next step follow the diagram

                  it will open the window like the following

 

                                     

               Now you type as

                  variable Name : CLASSPATH

                 variable Value: C:\Program Files\Java\jdk1.6.0\jre\lib\rt.jar;.

                like the following 

                   

                        

                  click OK button

      now in the user varibles,  you will see PATH ,CLASSPATH

     like the following

                             click Ok button , again OK button ,now it closes.

 

  By this , you can set PATH and CLASSPATH variables.