how to properly merge branches in git code example

Example 1: how to merge git branch to master

git checkout master
git pull origin master
git merge test
git push origin master

Example 2: git merge branch

//this is for merging into a local branch//

// checkout the branch to merge INTO
git checkout master
// merge local feature branch into master branch
git merge feature_branch_name

Example 3: merge branch to master

$ git checkout master
$ git branch new-branch
$ git checkout new-branch

# ...develop some code...

$ git add –A
$ git commit –m "Some commit message"
$ git checkout master
$ git merge new-branch