What to consider before using a Linked ListĪ linked list acts as a dynamic array. Here’s a typical definition of a Node class: It can store primitive data such as integers and string as well as complex objects having multiple attributes.Īlong with data, it also stores a pointer to the next element in the list, which helps in linking the nodes together like a chain. The Node class stores data in a single node. To implement a linked list, we need the following two classes: The following illustration shows the theory of a Singly Linked List. Each node holds data, along with a pointer to the next node in the list. This sequential data structure can be used as a list, stack or queue.Īs I briefly discussed before, a linked list is formed by nodes that are linked together like a chain. Linked lists in Java implement the abstract list interface and inherit various constructors and methods from it. The list holds a reference to the first container and each container has a link to the next one in the sequence. Data in a Linked List is stored in a sequence of containers. In Java, the linked list class is an ordered collection that contains many objects of the same type.
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