## Platform-Specific Details: Running a Java Application

> UNIX

>       % java CountFile testing
>       testing has 70 chars.

> DOS shell (Windows 95/NT)

>       C:\> java CountFile testing
>       testing has 71 chars.

> MacOS
>   Double click the `CountFile.class` file or drop it on the Java Runner application. The program displays a window prompting you for command-line arguments. Type in the name of the file, `testing`, and click the OK button. The program displays the results in a window.

>       testing has 70 chars.

>   Note that `testing` must be in the same folder as Java Runner.