查 看 : git branch 
创 建 : git branch <name>
切 换 : git checkout <neme>
创 切 : git checkout -b <name>
合 并 : git merge <name>
删 除 : git branch -d <name>

<<<<<<< HEAD
Creating a new branch is quick & simple.
=======
Creating a  new branch is quick and simple.
>>>>>>> feature1

zhis is a new br dev