how to rename a git branch ? code example

Example 1: git rename branch

git branch -m <oldname> <newname> # Any Branch
git branch -m <newname> # Current Branch

# For windows if you get "Branch already exists" error
git branch -M <newname>

Example 2: git rename branch from local

1. 'Start by switching to the local branch which you want to rename:'
git checkout <old_name>

2. 'Rename the local branch by typing:'
git branch -m <new_name>