Make Person class and attributes implements Comparable.

[Persons_Comparator.git] / src / Firstname.java

diff --git a/src/Firstname.java b/src/Firstname.java
index 2535c0e3844d4df03d834c9937e36c947770b4d2..91e8d75012fe828bf042323a99d08f6899ccbf7a 100644 (file)
--- a/src/Firstname.java
+++ b/src/Firstname.java
@@ -1,4 +1,4 @@
-public class Firstname {
+public class Firstname implements Comparable<Firstname> {
     private String firstname;
 
     public String getFirstname() {
@@ -8,4 +8,9 @@ public class Firstname {
     public void setFirstname(String firstname) {
         this.firstname = firstname;
     }
+
+    @Override
+    public int compareTo(Firstname firstname) {
+        return 0;
+    }
 }