Description

* Deletion of element from an array is to remove element from exiting array.
* To delete element at the end just decrement upper bound to 1.
* If delete an element at particular position, decrement the index of all elements by 1 
  which is right to position of element to be deleted then delete element at that position.

C/C++

/* C program to Delete element in an array*/

//Save it as DeleteElementGivenLocation.c


#include<stdio.h>
int main(){

    int i, n, pos;

    printf("Enter the size of array : ");
    scanf("%d",&n);

    int arr[n];

    printf("Enter the elements of the array : ");
    for (i = 0; i < n; i++) {
        scanf("%d",&arr[i]);
    }

    printf("Enter the position of elements to be deleted : ");
    scanf("%d",&pos);

    
    /* Execute a loop to move all elements left by 1 position having 
       index greater than position where to delete element */
    
    for(i=pos;i<n-1;i++) {
        arr[i] = arr[i+1];
    }
    
    // Finally print new array after deletion of new element
    printf("\nThe new array is : ");
    for(i=0;i<n-1;i++) {
        printf("%d ", arr[i]);
    }

    return 0;
}

Input:
Enter the size of array : 
5
Enter the elements of the array : 
16
25
29
37
55
Enter the position of elements to be deleted : 
2

Output:
The new array is : 
16 25 37 55

Java

/* Java program to Delete element in an array*/

//Save it as DeleteElementGivenLocation.java

import java.io.*;
import java.util.Scanner;

public class DeleteElementGivenLocation {

    public static void main(String[] args) {
        
        Scanner scanner = new Scanner(System.in);

        System.out.println("Enter the size of array : ");
        int n = scanner.nextInt();

        int arr[] = new int[n];

        System.out.println("Enter the elements of the array : ");
        for (int i = 0; i < n; i++) {
            arr[i] = scanner.nextInt();
        }
        
        System.out.println("Enter the position of elements to be deleted : ");
        int pos = scanner.nextInt();
        
            
              /* Execute a loop to move all elements left by 1 position having 
               index greater than position where to delete element */
            
        for(int i=pos;i<n-1;i++) {
            arr[i] = arr[i+1];
        }
        
            // Finally print new array after deletion of new element
            System.out.println("\nThe new array is : ");
        
            for(int i=0;i<n-1;i++) {
                System.out.print(arr[i]+" ");
        }
    }
}

Input:
Enter the size of array : 
5
Enter the elements of the array : 
16
25
29
37
55
Enter the position of elements to be deleted : 
2

Output:
The new array is : 
16 25 37 55

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