New Environment variables: the value of the JAVA_HOME: D: \ Program Files \ Java \ jdk1.7.0
New Environment variables: the CLASSPATH value:;.% JAVA_HOME% \ lib ; ( Note: No dot represents the current directory, not shown)
in the system variables Path preceding value added to the following:% JAVA_HOME% \ bin; (Note: semicolon here not shown) here, JDK installed.
Click "Start" -> "Run" -> type: cmd command in the CMD window, enter: java -version (normal)
But enter: javac (error, not an internal or external command, a passenger action program or batch file)
PATH path configurations must use absolute paths, which can not JAVA_HOME
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