JCreator:
         --->configure--->Option---->JDK Profiles,然后,选
Jdk version,edit,在hompath,利选择你的jdk安装路径,在document,add,选择你的JavaDocument
         --->configure--->Option---->JDK tools,然后,在下拉列表里选择compile,default, edit:command:"$[JavaHome\bin\javac.exe",
parameters:-classpath "$[ClassPath]" -d "$[OutputPath]" $[JavaFiles]
run Application:default, edit:command:"$[JavaHome]\bin\javac.exe"
parameters:-classpath "$[ClassPath]" -d "$[OutputPath]" $[JavaFiles]