JKD download URL——
https://www.oracle.com/java/technologies/javase/javase-jdk8-downloads.html
1. If you are a 32-bit system, download jdk-8u241-windows-i586.exe (32-bit);
2. If you are a 64-bit system, download jdk-8u241-windows-x64.exe (64-bit)
Install
Step 1: Double-click the exe file of the jdk installation package and the following figure will appear:
Step 2: Click Next, remember the jdk installation path (do not install in a directory with Chinese or special characters)
Step 3: After installing JDK, the installation of JRE will appear. JRE is already included in JDK, no additional installation is required, just click X.
Step 4: Click Close, this is the end. JDK has been installed.
Step 5: After installation is the following folder
Configure environment variables
【Window7】：
Step 1: After installing the JDK, configure the environment variables. Right click on the computer → system properties → advanced system settings → advanced → environment variables.
Step 2: Click Environment Variables, System Variables → New JAVA_HOME (be careful not to write wrong) variable. Fill in the variable value with the installation directory of jdk (mine is D:\Program Files\Java\jdk1.8.0_161)
Step 3: System Variables → Find the Path variable → Edit and enter %JAVA_HOME%\bin; (note the semicolon) at the top of the variable value. The reason for placing it at the top is to prevent other variables from interfering
Step 4: Check whether the configuration is successful. Run cmd and enter java -version (there is a space between java and -version). If the version information is displayed as shown in the figure, it means that the installation and configuration are successful.
【Window10】：
Step 1: After installing the JDK, configure the environment variables. Right click on the computer → system properties → advanced system settings → advanced → environment variables.
Step 2: Click Environment Variables, System Variables → New JAVA_HOME (be careful not to write wrong) variable. Fill in the variable value with the installation directory of jdk (mine is D:\Program Files\Java\jdk1.8.0_161)
Step 3: System Variables→Find the Path variable→Edit Enter %JAVA_HOME%\bin at the top of the variable value (note that no semicolon is required), the reason for putting it at the top is to prevent other variables from interfering
Step 4: Check whether the configuration is successful. Run cmd and enter java -version (there is a space between java and -version). If the version information is displayed as shown in the figure, it means that the installation and configuration are successful.
Install Eclipse
Download the official website——
https://www.eclipse.org/downloads/packages/
The latest version of:
https://mirrors.tuna.tsinghua.edu.cn/eclipse/technology/epp/downloads/release/2019-12/R/eclipse-jee-2019-12-R-win32-x86_64.zip
【Install】
Step 1: Unzip Eclipse, do not include special symbols and Chinese in the decompression path
Step 2: Set UTF-8 encoding, add -Dfile.encoding=UTF-8 to the last line in eclipse.ini
Step 3: Open Eclipse
Step 4: Select the workspace and click OK
Step 5: Welcome Page
Step 6: Close the welcome page
Step Seven: You're Done
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