'javac'无法识别

Question

我在环境变量中添加了Path变量'C:\\Program Files\\Java\\jdk1.6.0_21\\bin' ，但它仍然给我这个错误： 'javac' is not recognized as an internal or external command, operable program or batch file我尝试运行javac mycode.java时的'javac' is not recognized as an internal or external command, operable program or batch file 。 我疯了，请帮忙。 谢谢。

Answer 1

关闭命令提示符窗口并再次打开它以使新环境变量生效。