2.1 熟悉eclipse
下载链接
https://www.eclipse.org/downloads/packages/
直接下载链接
https://www.eclipse.org/downloads/download.php?file=/technology/epp/downloads/release/2020-12/R/eclipse-java-2020-12-R-win32-x86_64.zip
汉化包
https://www.eclipse.org/downloads/download.php?file=/technology/babel/babel_language_packs/R0.18.2/2020-12/BabelLanguagePack-eclipse-zh_4.18.0.v20201226020001.zip
解压后直接复制到eclipse根目录
2.2 使用eclipse
syso + (alt + / )= System.out.println();
2.3 程序调试
行号前双击即可