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LinkedListUsingJava.java
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93 lines (76 loc) · 2.23 KB
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import java.io.*;
// Java program to implement
// a Singly Linked List
public class LinkedList {
Node head; // head of list
// Linked list Node.
// This inner class is made static
// so that main() can access it
static class Node {
int data;
Node next;
// Constructor
Node(int d)
{
data = d;
next = null;
}
}
// Method to insert a new node
public static LinkedList insert(LinkedList list, int data)
{
// Create a new node with given data
Node new_node = new Node(data);
new_node.next = null;
// If the Linked List is empty,
// then make the new node as head
if (list.head == null) {
list.head = new_node;
}
else {
// Else traverse till the last node
// and insert the new_node there
Node last = list.head;
while (last.next != null) {
last = last.next;
}
// Insert the new_node at last node
last.next = new_node;
}
// Return the list by head
return list;
}
// Method to print the LinkedList.
public static void printList(LinkedList list)
{
Node currNode = list.head;
System.out.print("LinkedList: ");
// Traverse through the LinkedList
while (currNode != null) {
// Print the data at current node
System.out.print(currNode.data + " ");
// Go to next node
currNode = currNode.next;
}
}
// Driver code
public static void main(String[] args)
{
/* Start with the empty list. */
LinkedList list = new LinkedList();
//
// ******INSERTION******
//
// Insert the values
list = insert(list, 1);
list = insert(list, 2);
list = insert(list, 3);
list = insert(list, 4);
list = insert(list, 5);
list = insert(list, 6);
list = insert(list, 7);
list = insert(list, 8);
// Print the LinkedList
printList(list);
}
}