how to iterate over a linked list in java

java linked list iterator

// Java code to illustrate listIterator() 
import java.io.*; 
import java.util.LinkedList; 
import java.util.ListIterator; 
  
public class LinkedListDemo { 
    public static void main(String args[]) 
    { 
        // Creating an empty LinkedList 
        LinkedList<String> list = new LinkedList<String>(); 
  
        // Use add() method to add elements in the list 
        list.add("Geeks"); 
        list.add("for"); 
        list.add("Geeks"); 
        list.add("10"); 
        list.add("20"); 
  
        // Displaying the linkedlist 
        System.out.println("LinkedList:" + list); 
          
        // Setting the ListIterator at a specified position 
        ListIterator list_Iter = list.listIterator(2); 
  
        // Iterating through the created list from the position 
        System.out.println("The list is as follows:"); 
        while(list_Iter.hasNext()){ 
           System.out.println(list_Iter.next()); 
        } 
    } 
}

Posted by: Guest on January-28-2020

#include<stdio.h> #include<stdlib.h> //1 typedef struct node{ int value; struct node *next; }node; int main(){ int length,i; //2 printf("Enter size of the list : "); scanf("%d",&length); //3 struct node *headNode, *currentNode, *temp; //4 for(i=0 ; i<length; i++){ //5 currentNode = (node *)malloc(sizeof(node)); //6 printf("Enter element %d : ",(i+1)); scanf("%d", ¤tNode->value); //7 if(i==0){ headNode = temp = currentNode; }else{ //8 temp->next = currentNode; temp = currentNode; } } //9 temp->next = NULL; //10 temp = headNode; //11 printf("Iterating through the elements of the linked list : \n"); while(temp != NULL){ //12 printf("%d \n",temp->value); temp = temp -> next; } }

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