• To install the JDK, of which the JDK includes the jre, www.oracle.com/java/techno… , select MacOS, m1 to download the ARM version, or select another JDK version, this is JDK17

  • Once the download is complete, install foolproof, next step, and finally download is complete
  • Configure environment variables and turn on terminal inputvim ~/.zshrcZSHRC is the configuration file to configure the Java environment variables, my address is/ Library/Java/JavaVirtualMachines/JDK - 17.0.1. JDK/Contents/HomeIn the ZSHRC file, write the javA_HOME environment variable
Export JAVA_HOME = / Library/Java/JavaVirtualMachines/JDK - 17.0.1. JDK/Contents/HomeCopy the code
  • Test, output HelloWorld, tool IDEA

New Project – Select the Java module Select Add JDK Select the JDK – 17.0.1. JDK Next, customize. Do not choose the default template

Define the project name and click Finish The new package name

Create classes under the newly created package Right click run