java program to insert an element at specific position in an array

1import java.util.Scanner;
2public class InsertElement
3{
4   public static void main(String[] args) 
5   {
6      int number, position, insert;
7      Scanner sc = new Scanner(System.in);
8      System.out.println("Please enter number of elements in array: ");
9      number = sc.nextInt();
10      int[] arrNumbers = new int[number + 1];
11      System.out.println("Please enter " + number + " elements: ");
12      for(int a = 0; a < number; a++)
13      {
14         arrNumbers[a] = sc.nextInt();
15      }
16      System.out.println("Please enter position to insert element: ");
17      position = sc.nextInt();
18      System.out.println("Please enter element you want to insert: ");
19      insert = sc.nextInt();
20      for(int a = (number - 1); a >= (position - 1); a--)
21      {
22         arrNumbers[a + 1] = arrNumbers[a];
23      }
24      arrNumbers[position - 1] = insert;
25      System.out.println("After inserting element: ");
26      for(int a = 0; a < number; a++)
27      {
28         System.out.print(arrNumbers[a] + ",");
29      }
30      System.out.print(arrNumbers[number]);
31      sc.close();
32   }
33}

1// ! IMPORTANTE !
2// in JAVA an array is not the same as an ArrayList object!!
3// 1 - declare, instanciate and populate
4int arr[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }; 
5// 2 - declare and instanciate an int array with maxSize
6// note: the index goes between 0 and maxSize-1
7int newarr[] = new int[maxSize];
8// 2.1 - insert the value n on the position pos
9newarr[pos] = n; 
10// 2.2 - insert values recursively
11for (i = 0; i < maxSize; i++) { newarr[i] = arr[i]; }