move from wiki

Author: tschie

WorkingWithGit.md

@@ -0,0 +1,45 @@
+### Fork the repository
+To view and make changes to your own copy of the repository, [fork the repo](https://github.com/Esri/arcgis-runtime-samples-java/fork).
+
+### Clone your fork
+
+Open your terminal and navigate to the directory you want to put the repository directory in. Then [clone your fork](https://help.github.com/articles/fork-a-repo#step-2-clone-your-fork):
+```
+$ git clone https://github.com/YOUR-USERNAME/arcgis-runtime-samples-java.git
+```
+
+### Configure your fork for syncing
+To sync changes you make in a fork with this repository, you must configure a remote that points to the upstream repository in Git. Go into the project directory you just cloned. Run the following to add the upstream remote:
+```
+$ git remote add upstream https://github.com/Esri/arcgis-runtime-samples-java.git
+```
+Verify the changes by running
+```
+$ git remote -v
+```
+You should see something like the following:
+```
+origin	https://github.com/YOUR_USERNAME/arcgis-runtime-samples-java.git (fetch)
+origin	https://github.com/YOUR_USERNAME/arcgis-runtime-samples-java.git (push)
+upstream https://github.com/Esri/arcgis-runtime-samples-java.git (fetch)
+upstream https://github.com/Esri/arcgis-runtime-samples-java.git (push)
+```
+
+### Sync your fork
+If this repository gets updated while you are working on your fork, you can add the changes to your fork by syncing it.
+
+To check for any changes made to this repository, `cd` into your local copy of the repo and run
+```
+$ git fetch upstream
+```
+
+Make sure to checkout whatever local branch you want the remote changes to be added to:
+```
+$ git checkout master
+```
+
+Finally, merge the upstream changes into your branch with
+```
+$ git merge upstream/master
+```
+