content: class LinkedList 
  { 
      Node head; // head of the list 
    
      /* Linked List node */
      class Node 
      { 
          int data; 
          Node next; 
          Node(int d) { data = d; next = null; } 
      } 
    
      /* Function deletes the entire linked list */
      void deleteList() 
      { 
          head = null; 
      } 
    
      /* Inserts a new Node at front of the list. */
      public void push(int new_data) 
      { 
          /* 1 & 2: Allocate the Node & 
                    Put in the data*/
          Node new_node = new Node(new_data); 
    
          /* 3. Make next of new Node as head */
          new_node.next = head; 
    
          /* 4. Move the head to point to new Node */
          head = new_node; 
      } 
    
      public static void main(String [] args) 
      { 
          LinkedList llist = new LinkedList(); 
          /* Use push() to construct below list 
             1->12->1->4->1  */
    
          llist.push(1); 
          llist.push(4); 
          llist.push(1); 
          llist.push(12); 
          llist.push(1); 
    
          System.out.println("Deleting the list"); 
          llist.deleteList(); 
    
          System.out.println("Linked list deleted"); 
      } 
  } 
  