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Singly linked list Examples in Java

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robaa
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2022-11-12
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  • Linked List can be defined as a collection of objects called nodes that are randomly stored in the memory.
  • A node contains two fields, i.e. data stored at that particular address and the pointer which contains the address of the next node in the memory.
  • The last node of the list contains the pointer to the null.

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robaa
2022-11-12
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Program:

public class LinkedListExamples  
{  
 Node head;  // head of list  
 static class Node {  
 int data;  
         Node next;  
 Node(int d)  { data = d;  next=null; }  
     }  
     /* This function prints contents of the linked list starting from head */  
 public void display()  
     {  
         Node n = head;  
 while (n != null)  
         {  
 System.out.print(n.data+" \n");  
             n = n.next;  
         }  
     }  
     /* method to create a simple linked list with 3 nodes*/  
 public static void main(String[] args)  
     {  
         /* Start with the empty list. */  
 LinkedListExamples list = new LinkedListExamples();  
  
 list.head       = new Node(100);  
         Node second      = new Node(200);  
         Node third       = new Node(300);  
  
 list.head.next = second; // Link first node with the second node  
 second.next = third; // Link first node with the second node  
 list.display();  
     }  
}

Output:

100 
 200 
 300

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