Queue using Linkedlist

package linkedlist; import java.util.Scanner; public class linklist { Node head, tail; static Scanner in = new Scanner(System.in); void input(){ Node temp = new Node(); temp.input(); if (head==null){ head=temp; tail=temp; } else{ tail.next=temp; tail=temp; } } void view(){ Node ptr = head; while(ptr!=null){ ptr.view(); System.out.println(); ptr=ptr.next; } } void deque(){ Node ptr=head; Node prevPtr=head; head=null; head=prevPtr.next; } public static void main(String[] args){ linklist ll = new linklist(); boolean isRun=true; while(isRun){ System.out.println("Masukkan menu :"); int menu=Integer.parseInt(in.nextLine()); switch(menu){ case 1: ll.input(); break; case 2: ll.view(); break; case 3: ll.deque(); break; case 4: isRun=false; break; } } } } class Node{ Node next; int a; Scanner in = new Scanner(System.in); void input(){ System.out.println("Masukkan apa yang ingin diinput :"); a=Integer.parseInt(in.nextLine()); } void view(){ System.out.println(a); } }
tinggal ganti di input nya ajah!!!

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