The second method in the above-mentioned class is set() that accepts a parameter of type int while returning back nothing. The accepted parameter is assigned to the internal data member object. Notice the use of this pointer while assigning the value to the internal data member. It is used whenever an object wants to talk to its own members. The next method is getNext() which returns a pointer to an object of type Node lying somewhere in the memory. It returns nextNode i.e. a pointer to an object of type Node. As discussed above, nextNode contains the address of next node in the linked list. The last method of the class is setNext() that accepts a pointer of type Node, further assigned to nextNode data member of the object. This method is used to connect the next node of the linked list with the current object. It is passed an address of the next node in the linked list.
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