Windows7 64-bit installation JDK

System: Windows7 flagship 64-bit JDK Version: 1.8 ① Installing the JDK (can go crazy next) ② environment variable Configuration "My Computer" → "Properties" → "Advanced" → "Environment variables" Added "Java_home" system variable Added "CLASSPATH" system variable The values are as follows, and the values inside the curly braces are all copied Specific value ".; %java_home%\lib\dt.jar;%java_home%\lib\tools.jar; " "The final step, find your path, and then add the following to the end of the position" %java_home%\bin;%java_home%\jre\bin; ③ test whether the installation was successful Start the cmd Command window and then the following: The installation is already successful!

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Windows7 64-bit installation JDK