Commit ce47735

@@ -9,6 +9,7 @@
 package Q1;
 
 import java.util.Objects;
+import java.util.Scanner;
 
 public class AddressBook implements Comparable<AddressBook> {
   private String businessPhone;
@@ -368,4 +369,15 @@ public class AddressBook implements Comparable<AddressBook> {
   public String toString() {
     return this.firstName;
   }
+
+  public static void main(String[] args) {
+    Scanner in = new Scanner(System.in);
+    System.out.print("Please enter first name: ");
+    String first = in.next();
+
+    System.out.print("Please enter second name: ");
+    String second = in.next();
+
+    System.out.println("The comparison result is " + AddressBook.compareNames(first, second));
+  }
 }