JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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Linked List Data Structure


A linked list is a data structure consisting of a group of nodes which together represent a sequence. Each node is composed of a data and a link or reference to the next node in the sequence. This structure allows for efficient insertion or removal of elements from any position in the sequence.The last node is linked to a terminator used to signify the end of the list.

Linked lists are the simplest and most common data structures. They can be used to implement several other abstract data types, including lists, stacks, queues, associative arrays, and S-expressions, etc.

The benefits of a linked list over a conventional array is that the linked list elements can easily be inserted or removed without reallocation or reorganization of the entire structure because the data items need not be stored contiguously in memory or on disk. Linked lists allow insertion and removal of nodes at any point in the list.

On the other hand, simple linked lists do not allow random access to the data, or by using indexing. Thus, many basic operations like obtaining the last node of the list, or finding a node with required data, or locating the place where a new node should be inserted, may require scanning most of the list elements.

List of Linked List Data Structure Examples

  1. Singly linked list implementation in java
  2. Doubly linked list in Java
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Pass by value Vs Pass by reference
Pass by value: Passing a copy of the value, not the original reference.

Pass by reference: Passsing the address of the object, so that you can access the original object.
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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java is registered trademark of Oracle.
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