Requirement for getting started..

Be sure before starting you should have following Applications

• A Text Editor like Notepad or EditPlus or eclipse or NetBeansIDE.
• A java Compiler jdk1.7.0_03 (you can download this softwares).
• And also Command prompt(cmd).

Now you have to compile and run your java program. if you are using simple editor like Notepad or EditPlus then you can compile and run your program as follows..

• Firstly, goto the directory where your java program is saved.

             mkdir folderName - To make directory

             cd folderName - To change directory

             driveName: - To change drive(eg c:)

• Now Compile you java program by writing 

                         DirectoryLocation> javac  YourFileName.java

• To run write 

                                DirectoryLocation>java  className