Add README.md

README.md

+# Exercise 1.1
+This is a solution to exercise 1.1 (Date Service basted on UDP) of the hands-on training of lecture **distributed systems**.
+
+Each folder contains a gradle project.
+
+Start the server from a CLI (like bash, cmd, powershell) as follows:
+* `$ cd server`
+* `$ gradle run`
+
+if you have installed gradle on your system, otherwise use the gradle wrapper contained in the folder (gradlew.bat, gradlew).
+
+The server listens on port 6789.
+
+When the server is up and running, you can start the client from a CLI as often you want. The client accepts several parameter:
+- `args[0]: style ("SHORT", "MEDIUM" or "FULL")`
+- `args[1]: hostname of server`
+
+When you start the client without passing any parameter, the default values are "SHORT" and "localhost".
+
+* `$ cd client`
+* `$ gradle run --args="FULL localhost"`