Start order

tp/src/main/java/org/example/Main.java

 package org.example;
+import java.util.Arrays;
 import java.util.Scanner;
 
 public class Main {
-//    static Person p1 = new Person("Doe", "John");
-//    static String[] phone = {"0"};
-//    static String[] social = {"S"};
-//    static String[] emails = {"a"};
-//    static Contact c1 = new Contact(p1, "jst", phone, emails, social, "j");
-//    static  Contact c2 = new Contact(p1,"u",phone, emails,social, "NONE");
     static Contact[] contactArray = {};
     public static void main(String[] args) {
         while(true){
@@ -68,6 +63,7 @@ public class Main {
         System.arraycopy(contactArray,0,newContactArray, 0,size_array);
         newContactArray[size_array] = c;
         contactArray = newContactArray;
+        OrderArray();
 
     }
     public static void Edit(){
@@ -184,4 +180,19 @@ public class Main {
         }
         return (nbInt < size_array);
     }
+    public static void OrderArray(){
+        int size_array = contactArray.length;
+        Contact[] newContactArray = new Contact[size_array];
+        for(int i = 0; i < size_array -1; i++){
+            int test = contactArray[i].getPers().getFirst_name().compareTo(contactArray[i + 1].getPers().getFirst_name());
+            if(test < 0){
+                newContactArray[i] = contactArray[i+1];
+                newContactArray[i+1] = contactArray[i];
+            }
+            else{
+                newContactArray[i] = contactArray[i];
+            }
+        }
+        contactArray = newContactArray;
+    }
 }
\ No newline at end of file

tp/src/main/java/org/example/Person.java

@@ -9,6 +9,14 @@ public class Person {
         this.first_name = first_name;
     }
 
+    public String getLast_name() {
+        return last_name;
+    }
+
+    public String getFirst_name() {
+        return first_name;
+    }
+
     public void EditFirstName(String newFirstName){
         this.first_name = newFirstName;
     }