Small java environment setup in console

java_env.bat

@echo off
rem Set console appearance
title Java environment (%cd%)
color 0C
rem Set console environment
if "%~1"=="" (
	set JAVA_BIN=C:\Program Files\Java\jdk1.8.0_45\bin
) else (
	set JAVA_BIN=%~1
)
set Path=%Path%;%JAVA_BIN%
rem Check for Java binaries
where "javac.exe" 1>NUL 2>NUL
if ERRORLEVEL 1 (
	echo "Java compiler not found!"
	goto JAVA_BIN_NOTFOUND
)
where "java.exe" 1>NUL 2>NUL
if ERRORLEVEL 1 (
	echo "Java interpreter not found!"
	goto JAVA_BIN_NOTFOUND
)
goto JAVA_BIN_FOUND
:JAVA_BIN_NOTFOUND
pause
exit 1
:JAVA_BIN_FOUND
rem Some user informations
echo Welcome to this Java environment console.
echo Binaries path: "%JAVA_BIN%"
echo Use "javac" for compiling and "java" for execution.
echo.
rem Keep console open
cmd /K