How do you run java?

Answer 1

1. open cmd

2. type CD location, location being the folder the .class file is in

3. type java name, name being the name of the .class file

or :

here is a program i wrote. put it in the same directory as the class file.

you must copy and paste this into notepad and save it as anything.bat:

@echo off

SetLocal EnableDelayedExpansion

color fc

title java starter made by phirana lord

:start

set fileTest=0

cls

echo files in this directory:

echo.

dir "*.class" > temp.tmp

For /F "skip=4 tokens=5" %%I IN (temp.tmp) DO (

if "%%I"=="free" (

REM do nothing

) else (

set file!fileTest!=%%I

set /a fileTest=!fileTest!+1

echo %%I

)

)

del temp.tmp

echo.

echo.

echo.

echo.

set input=

set /p input=enter the name of the file you want to run:

if ""=="" (

goto start

)

if ""=="/debug" (

@echo on

goto start

)

if ""=="/exit" (

goto eof

)

set testnum=0

:testing

Call set testvar=%testnum%%%

if ".class"=="" (

goto run

)

if==(

goto err

) else (

set /a testnum=+1

goto testing

)

:err

cls

color 0c

echo error:

echo file.class not found in directory

echo fix this error by:

echo check your spelling

echo check if the file is in the same directory as this program

pause

color fc

cls

goto start

:run

cls

java

echo.

echo.

echo proccess complete

pause > nul

cls

echo press enter to quit

echo.

echo type rerun to restart your app

echo.

echo type restart to restart the program

echo.

echo.

echo.

echo.

set input2=

set /p input2=

if "%input2%"=="rerun" (

goto run

)

if "%input2%"=="restart" (

goto start

)

goto eof

:firstrun

echo indev >> ussettings.inf

:eof

exit