<NME> Welcome.java
<BEF> ADDFILE
<MSG> Welcome

<DFF> @@ -0,0 +1,18 @@
+package edu.neu.ccs.pyramid.application;
+
+import edu.neu.ccs.pyramid.configuration.Config;
+
+/**
+ * Created by chengli on 9/5/15.
+ */
+public class Welcome {
+    public static void main(String[] args) {
+        if (args.length !=1){
+            throw new IllegalArgumentException("please specify the config file");
+        }
+
+        Config config = new Config(args[0]);
+        String name = config.getString("yourName");
+        System.out.println("Hello "+name+". Welcome to the world of pyramid!");
+    }
+}

Welcome