Assignemnt #103 and Keychains for Sale, real ultimate power

Code

      ///Name: Brian Phillips
      ///Period:5
      ///Project Name: Keychains for Sale, real ultimate power
      ///File Name:Keys3.java
      ///04/11/16
      
      import java.util.Scanner;
        
      public class Keys3
      {
        public static void main (String [] args)
        {
      	  int choice;
      	  int keys =0, total=0;
      	  
      	 
      	  System.out.println("Ye New Keychain Shoppe");
      	  do
      	  {
      		  Scanner stuff = new Scanner(System.in);
      		  System.out.println("1. Add Keychains to order");
      		  System.out.println("2. Remove Keychanins from Order");
      		  System.out.println("3. View Current Order");
      		  System.out.println("4. Checkout");
      		  System.out.println("");
      		  System.out.println("Please enter your choice: ");
      		  choice=stuff.nextInt();
      		  while (choice > 4)
      		  {
      			System.out.println("Please choose a choice with 1-4");
      		  }
      		  if (choice == 1)
      			  keys=Add(keys);
      		  else if (choice == 2)
      			  keys=Rem(keys);
      		  else if (choice == 3)
      			  total=View(keys);
      		  else if (choice == 4)
      				keys=Check(keys);
      	  }while (choice !=4);
        }
      	  public static int Add (int keys1)
      	  {
      		Scanner stuff = new Scanner(System.in);
      		System.out.println("You have "+keys1+" keychains. How many to add?");
      		keys1=keys1+stuff.nextInt();
      		if (keys1 < 0)
      		{
      			System.out.println("You can only add positive numbers.");
      			System.out.println("You have "+keys1+" keychains. How many to add?");
      			keys1=keys1+stuff.nextInt();
      		}
      		System.out.println("You now have "+keys1+" keychains.");
      		return keys1;
      	  }
      	  public static int Rem (int keys2)
      	  {
      		Scanner stuff = new Scanner(System.in);
      		System.out.println("You have "+keys2+" keychains. How many to remove?");
      		keys2=keys2-stuff.nextInt();
      		if (keys2 < 0)
      		{
      			System.out.println("You can't have negative keychains");
      			System.out.println("You have "+keys2+" keychains. How many to remove?");
      			keys2=keys2-stuff.nextInt();
      		}
      		System.out.println("You now have "+keys2+" keychains.");
      		return keys2;
      	  }
      	  public static int View (int keys3)
      	  {
      		System.out.println("You now have "+keys3+" keychains.");
      		System.out.println("Keychains coast $10 dollars each");
      		int total = 10*keys3;
      		double tax = total * .0875;
      		double taxTotal = tax +total;
      		double totalReal = taxTotal + 5 + keys3;
      		System.out.println("Total cost is $"+total+".");
      		System.out.println("There will also be a flat rate of $5 for shipping plus $"+keys3);
      		System.out.println("The total will be $" + totalReal);
      		return total;
      	  }
      	  public static int Check (int keys4)
      	  {
      		  Scanner stuff = new Scanner(System.in);
      		  System.out.println("What is your name?");
      		  String name=stuff.next();
      		  View(keys4);
      		  System.out.println("Thanks for your order, "+name+".");
      		  return keys4;
      	  }
      }

    

Picture of the output