How to Compile and Execute java Programs.

step 1 : Open Command Prompt (make sure you have installed java development kit(JDK))

step 2 : In command prompt navigate to directory or folder where you had save your java program.

step 3 : Now Follow this :

         javac yourprogramname.java (this will compile your java code.)

step 4 : if code is successfully compiled without errors. its time to execute the code. 

             to execute java program follow this :

          

             java yourprogramname (this will execute your program and will generate the desired output)