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  1. Prepare
  2. Data Structures
  3. Linked Lists
  4. Insert a node at the head of a linked list
  5. Discussions

Insert a node at the head of a linked list

  • irina_panyukova
     + 0 comments

    It must be something wrong with the task. The constrains says that the lsit is not null and data is not null. So I made a simple code:

         SinglyLinkedListNode node =new SinglyLinkedListNode(data);
     node.next=llist;
     return node; 

             But I run in a bunch of nullable errors. 
             Also the explanation looks like an explanation from some other task.