jloader.bat

@echo off
: start

if %1.==. goto complainAndExit

if exist %1.class del %1.class

: compileAndRun
cls
javac %1.java

if not exist %1.class goto end

java %1 %2 %3 %4 %5 %6 %7 %8 %9
goto end

: complainAndExit
cls
echo You need to give me the name of a Java file to compile and run.
echo Try again ...
echo Here is a list of available Java files:
echo.
dir /D *.java
goto end

: end