Create 16. Add numbers to list

Week 2: Methods, strings and lists/16. Add numbers to list

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+Write a program that asks the user to enter integers. 
+The program adds the numbers entered by the user to the list in the order in which they were entered.
+
+When the user enters -1, the program finishes execution and prints the list.
+
+Example execution:
+Give a number: 2
+Give a number: 3
+Give a number: 4
+Give a number: 5
+Give a number: -1
+[2, 3, 4, 5]
+
+
+
+
+
+
+import java.util.Random;
+import java.util.ArrayList;
+import java.util.Scanner;
+
+
+
+public class Test{
+    public static void main(String[] args){
+        final Random r = new Random();
+        
+        Scanner reader = new Scanner(System.in);
+
+        //ADD
+        ArrayList<Integer> list_nums = new ArrayList<>();
+
+        while (true) {
+          System.out.print("Give a number: ");
+          int user_num = Integer.valueOf(reader.nextLine());
+
+          if (user_num == -1) {
+            break;
+          }
+
+          list_nums.add(user_num);
+        
+        }
+
+        System.out.println(list_nums);
+
+            
+        
+    }
+}
+
+
+
+Test number 1
+Give a number: 2
+Give a number: 3
+Give a number: 4
+Give a number: 5
+Give a number: -1
+[2, 3, 4, 5]
+
+Test number 2
+Give a number: 10
+Give a number: 12
+Give a number: 14
+Give a number: 16
+Give a number: -1
+[10, 12, 14, 16]
+
+Test number 3
+Give a number: 9
+Give a number: 9
+Give a number: 9
+Give a number: 9
+Give a number: 9
+Give a number: 8
+Give a number: 7
+Give a number: 2
+Give a number: 2
+Give a number: -1
+[9, 9, 9, 9, 9, 8, 7, 2, 2]
+
+
+
+
+