Linked List in Java Example

import java.util.*; 
 import java.io.*; 
 class linklst 
 { 
         LinkedList linkedlist1=new LinkedList(); 
         String h; 
         int i,n; 
         Console console=System.console(); 
          public void createlinkedlist() 
              { 
                  h=console.readLine("\nHow many numbers you want to insert in linked list"); 
                  n=Integer.parseInt(h); 
                  System.out.println("Enter numericals in linked list"); 
                  for(i=1;i<=n;i++) 
                       { 
                             h=console.readLine(); 
                             linkedlist1.add(h); 
                       } 
      
              }                                                                      
                 public void viewlinkedlist() 
                    { 
                        System.out.println("Elements in linked list are"); 
                        System.out.println(linkedlist1); 
                    } 
         public void deletelinkedlist() 
         { 
              h=console.readLine("Enter the element to be removed from linked list"); 
              n=Integer.parseInt(h); 
              linkedlist1.remove(h); 
              System.out.println("Element is deleted from linked list"); 
         } 
              public void insertlinkedlist() 
               { 
                   h=console.readLine("Enter the element to insert in linked list"); 
                   n=Integer.parseInt(h); 
                   linkedlist1.addLast(h); 
                   System.out.println("Element is inserted at the end in the linked list"); 
               } 
                    public void updatelinkedlist() 
                    { 
                         h=console.readLine("Enter the element to update in linked list"); 
                         int loc=linkedlist1.indexOf(h); 
                         h=console.readLine("enter the new element"); 
                         linkedlist1.set(loc,h); 
                         System.out.println("Element is updated in the linked list"); 
                     } 
 } 
 class LinkedListJavaExample 
  { 
        public static void main(String args[]) 
        { 
               Console console=System.console(); 
               int k; 
               String h; 
               linklst lst=new linklst(); 
               k=0; 
               while(k!=6) 
               { 
                     System.out.println("\n\n1....Create a Linked List");             
                     System.out.println("2...View linked List"); 
                     System.out.println("3....Inserting in Linked list");                     
                     System.out.println("4....Deleting from Linked List");              
                     System.out.println("5..Updating element in linked List");                
                     System.out.println("6...Quit"); 
                     h=console.readLine(" enter ur choice 1/2/3/4/5/6 "); 
                     k=Integer.parseInt(h); 
                      switch(k) 
                        { 
                           case 1: lst.createlinkedlist(); 
                           break; 
                           case 2: lst.viewlinkedlist(); 
                           break; 
                           case 3: lst.insertlinkedlist(); 
                           break; 
                           case 4: lst.deletelinkedlist(); 
                           break;                                                    
                           case 5: lst.updatelinkedlist(); 
                           break;                                                                          
                       }  
              } 
       } 
 }