Because Java programs must run on the JVM, so the first thing we do is install the JDK.
Downloaded from the official website of Oracle JDK installation file: jdk-13.0.2_windows-x64_bin.exe
1, double-click the installation file, open the installation wizard window
2, click Next, select the installation path, I installed to the D: / Java13
3. Click Next to begin in accordance with the
4, after the installation is complete, click the Close button
5, the JDK installation, need to set the JAVA_HOME environment variable
JAVA_HOME=D:\Java13(1) My Computer and right click -> Properties
(2) Select the Advanced System Settings
(3) pop-up "System Properties dialog box" -> select Advanced folding -> click on the "Environment Variables" at the bottom of
(4) Open the Environment Variables window, click on the "New" button, set the variable names and the values click OK.
6, the installation JDK bin directory is added to the above system environment variable Path
Path=%JAVA_HOME%\bin;
7, using the win key operation to open the window + R
8, enter cmd, open a command line window
9, at the command line java -version, see the following information if, then the JDK installation is successful, otherwise check JAVA_HOME and Path setting.
