https://tomcat.apache.org/download-80.cgi
先下載eclipse installer
https://www.eclipse.org/downloads/
選擇Eclipse IDE for Java EE Developers(第二個)
安裝完後打開剛安裝完的這個eclipse
workspace不要選原本的
https://git-scm.com/book/zh-tw/v2/%E9%96%8B%E5%A7%8B-Git-%E5%AE%89%E8%A3%9D%E6%95%99%E5%AD%B8