remove element from a specific index from an array in java

1// Java program to delete specified integer from an array
2import java.util.Scanner;
3public class DeleteSpecifiedInteger
4{
5   public static void main(String[] args)
6   {
7      int num, n, temp = 1, place = 0;
8      Scanner sc = new Scanner(System.in);
9      System.out.println("Please enter number of elements: ");
10      num = sc.nextInt();
11      int[] arrNum = new int[num];
12      System.out.println("Please enter all the elements: ");
13      for(int a = 0; a < num; a++)
14      {
15         arrNum[a] = sc.nextInt();
16      }
17      System.out.println("Enter the element you want to delete: ");
18      n = sc.nextInt();
19      for(int a = 0; a < num; a++)
20      {
21         if(arrNum[a] == n)
22         {
23            temp = 1;
24            place = a;
25            break;
26         }
27         else
28         {
29            temp = 0;
30         }
31      }
32      if(temp == 1)
33      {
34         for(int a = place + 1; a < num; a++)
35         {
36            arrNum[a - 1] = arrNum[a];
37         }
38         System.out.println("After deleting element: ");
39         for(int a = 0; a < num - 2; a++)
40         {
41            System.out.print(arrNum[a] + ",");
42         }
43         System.out.print(arrNum[num - 2]);
44      }
45      else
46      {
47         System.out.println("Element not found!!");
48      }
49      sc.close();
50   }
51}

1// remove element from a specific index from an array
2import java.util.Arrays;
3public class DeleteElementDemo
4{
5   // remove element method 
6   public static int[] removeElement(int[] arrGiven, int index) 
7   {
8      // if empty 
9      if(arrGiven == null || index < 0 || index >= arrGiven.length) 
10      {
11         return arrGiven; 
12      }
13      // creating another array one less than initial array 
14      int[] newArray = new int[arrGiven.length - 1];
15      // copying elements except index 
16      for(int a = 0, b = 0; a < arrGiven.length; a++) 
17      { 
18         if(a == index)
19         {
20            continue;
21         }
22         newArray[b++] = arrGiven[a]; 
23      }
24      return newArray; 
25   }
26   public static void main(String[] args) 
27   { 
28      int[] arrInput = { 2, 4, 6, 8, 10 };
29      // printing given array 
30      System.out.println("Given array: " + Arrays.toString(arrInput));
31      // getting specified index 
32      int index = 3;
33      // print index 
34      System.out.println("Index to be removed: " + index);
35      // removing element 
36      arrInput = removeElement(arrInput, index);
37      // printing new array 
38      System.out.println("New array: " + Arrays.toString(arrInput));
39   }
40}