-public class Firstname {
+public class Firstname implements Comparable<Firstname> {
private String firstname;
+ Firstname() {
+ }
+
+ Firstname(String firstname) {
+ setFirstname(firstname);
+ }
+
public String getFirstname() {
return firstname;
}
public void setFirstname(String firstname) {
this.firstname = firstname;
}
-}
+
+ @Override
+ public int compareTo(Firstname firstname) {
+ return LevenshteinDistance.computeLevenshteinDistance(this.getFirstname(), firstname.getFirstname());
+ }
+}
\ No newline at end of file