View difference between Paste ID: tFqygDJU and n6298ngg

-public class EntrantWelcomer implements EntranceListener {
+public class Greeter
-  private String welcome(PersonType human) {
+  implements EntranceListener
-    switch (human.type()) {
+{
-      case human.TYPE_ROOMMATE:
+  private String welcome(Roommate rm)         { return "'Sup?"; }
-        return "'Sup?";
+  private String welcome(Parent p)            { return "Please insert cash or select payment type."; }
-      case human.TYPE_PARENT:
+  private String welcome(Robber r)            { return "Good luck; we're in college."; }
-        return "Please insert cash or select payment type.";
+  private String welcome(SignificantOther so) { return null; }
-      case human.TYPE_ROBBER:
+  private String welcome(PersonType pt)       { return "Welcome to our house." }
-        return "Good luck; we're in college.";
+
-      case human.TYPE_SIGNIFICANT_OTHER:
+  public void
-        return null;
+  personEntered(PersonType person)
-      default:
+  {
-        return "Welcome to our house.";
+
-    }
+
   }
-  public void personEntered(PersonType person) {
+