Table of contents
1. JDK download and installation
Two java environment variable configuration
Three how to configure? specific steps
Four verify whether the configuration is successful
1. JDK download and installation
- Java development kit unified download address: https://www.hiai.top/archives/268.html
Two java environment variable configuration
- 1. Variable name: JAVA_HOME variable value: your jdk installation path
- 2. Variable name: CLASSPATH variable value: .;%Java_Home%bin;%Java_Home%libdt.jar;%Java_Home%libtools.jar
- 3. Variable name: path variable value: %Java_Home%bin;%Java_Home%jrebin;
Three how to configure? specific steps
3.1 Right-click the "Properties" option of "This Computer" on the computer desktop
3.2 Select the "Advanced System Settings" option
3.3 Click the "Environment Variables" option below
3.4 Next is the specific configuration process: click the "New" option under "System Variables"
3.5 Fill in "JAVA_HOME" in "Variable Name"
"Variable value" is the JDK installation path, the author's path is "D:Program FilesJavajdk1.8.0_91"
Click on the "OK" option
3.6 Find "Path" in "System Variables"
3.7 Select "Path" and click "Edit" option
3.8 Select "Edit Text" on the right, copy all the quotation marks "%Java_Home%bin;%Java_Home%jrebin;", to the front of the "Variable Value" column, "OK"
3.9 In the "System Variables" column, "New", "Variable Name" is "CLASSPATH", "Variable Value" is ".;%Java_Home%bin;%Java_Home%libdt.jar;%Java_Home%libtools.jar", " Sure"
3.10 Click the "OK" button, and remember that there are three OK buttons here
Four verify whether the configuration is successful
Go back to the computer desktop, press the shortcut key "Win+R", and enter "cmd"
Enter and press Enter: java javac java -version
