1. 安装插件
2. 配置环境
快捷键：Ctrl + Shift + P
{"java.compile.nullAnalysis.mode":"automatic","java.configuration.updateBuildConfiguration":"automatic","java.configuration.maven.userSettings":"D:\\maven\\apache-maven-3.9.9\\conf\\settings.xml","java.debug.settings.hotCodeReplace":"auto","java.dependency.packagePresentation":"hierarchical","java.configuration.runtimes":[{"name":"JavaSE-17","path":"D:\\Program Files\\Java\\jdk-17.0.2","default":false},{"name":"JavaSE-21","path":"D:\\Program Files\\Java\\jdk-21","default":true}],"java.jdt.ls.java.home":"D:\\Program Files\\Java\\jdk-17.0.2","java.configuration.maven.globalSettings":"D:\\maven\\apache-maven-3.9.9\\conf\\settings.xml","workbench.settings.applyToAllProfiles":["java.configuration.maven.globalSettings",]}
