JAVA_HOME
D:/jdk1.5.0
PATH
%JAVA_HOME%/bin;%JAVA_HOME%/jre/bin
CLASSPATH
.;%JAVA_HOME%/lib;%JAVA_HOME%/lib/tools.jar
CMD
java -version
JAVA_HOME
D:/jdk1.5.0
PATH
%JAVA_HOME%/bin;%JAVA_HOME%/jre/bin
CLASSPATH
.;%JAVA_HOME%/lib;%JAVA_HOME%/lib/tools.jar
CMD
java -version
http://www.cnblogs.com/David-weihw/archive/2007/01/25/630621.html