null code example

Example 1: nothing

Nothing , not anything; no single thing.

Example 2: nothing

N O T H I N G

Example 3: nothing

.

.

nothing..

Example 4: c# nullable

double? pi = 3.14;
char? letter = 'a';

int m2 = 10;
int? m = m2;

bool? flag = null;

// An array of a nullable value type:
int?[] arr = new int?[10];

Example 5: null

void fun1(struct node* head)
{
  if(head == NULL)
    return;
  
  fun1(head->next);
  printf("%d  ", head->data);
}