From 05f1160dcb170a6a73e433525d8d33bde76c5974 Mon Sep 17 00:00:00 2001
From: bjv33 <bjv33@cs.drexel.edu>
Date: Tue, 23 Oct 2018 21:19:33 -0400
Subject: [PATCH] Vending Machine
---
VendingMachine.java | 157 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 157 insertions(+)
create mode 100644 VendingMachine.java
diff --git a/VendingMachine.java b/VendingMachine.java
new file mode 100644
index 0000000..4fcb7c3
--- /dev/null
+++ b/VendingMachine.java
@@ -0,0 +1,157 @@
+// Program: VendingMachine.java
+// Purpose: This program simulates a vending machine.
+// Author: Brian Vojtko
+// Date: 10/16/2018
+
+import java.util.Scanner;
+
+public class VendingMachine {
+
+ public static void main(String[] args)
+ {
+ Scanner input = new Scanner(System.in);
+
+ //Integers
+ int choice = 0;
+ double remain = 0.00;
+ double money = 0.00;
+ double change = 0.00;
+ double item1 = 1.25;
+ double item2 = 1.75;
+ double item3 = 0.90;
+ double item4 = 0.75;
+ double item5 = 1.50;
+ double item6 = 2.00;
+
+ //User Prompt
+ System.out.println(" CS 570 Vending Machine");
+ System.out.println("---------------------------------");
+ System.out.println("1. Roasted Almonds --> $1.25");
+ System.out.println("2. Pretzels --> $1.75");
+ System.out.println("3. Chewing Gum --> $0.90");
+ System.out.println("4. Mints --> $0.75");
+ System.out.println("5. Chocolate Bar --> $1.50");
+ System.out.println("6. Cookies --> $2.00");
+
+ //User Input Vending Choice
+ System.out.println("Enter your choice of item: ");
+ choice = input.nextInt();
+
+ //Error
+ if (choice > 6 || choice < 1) {
+ System.out.println("Error: Invalid Choice. Please try again.");
+ return;
+ }
+
+ //User Input Money
+ else
+ System.out.println("Enter money to purchase item: ");
+ money = input.nextDouble();
+
+ switch(choice)
+
+ {
+ //Choice 1
+ case 1:
+
+ if(money < item1) {
+ remain = (double)((int)((remain + 0.005) * 100))/100;
+ remain = item1 - money;
+ System.out.println("You are $" + remain + " short." );
+ break;
+ }
+ else
+ change = money - item1;
+ change = (double)((int)((change + 0.005) * 100))/100;
+ System.out.println("Thanks for buying roasted almonds. Your change is $" + change + ".");
+
+ break;
+
+ //Choice 2
+ case 2:
+
+ if(money < item2) {
+ remain = (double)((int)((remain + 0.005) * 100))/100;
+ remain = item2 - money;
+ System.out.println("You are $" + remain + " short." );
+ break;
+ }
+ else
+ change = money - item2;
+ change = (double)((int)((change + 0.005) * 100))/100;
+ System.out.println("Thanks for buying pretzels. Your change is $" + change + ".");
+
+ break;
+
+ //Choice 3
+ case 3:
+
+ if(money < item3) {
+ remain = (double)((int)((remain + 0.005) * 100))/100;
+ remain = item3 - money;
+ System.out.println("You are $" + remain + " short." );
+ break;
+ }
+ else
+ change = money - item3;
+ change = (double)((int)((change + 0.005) * 100))/100;
+ System.out.println("Thanks for buying chewing gum. Your change is $" + change + ".");
+
+ break;
+
+ //Choice 4
+ case 4:
+
+ if(money < item4) {
+ remain = (double)((int)((remain + 0.005) * 100))/100;
+ remain = item4 - money;
+ System.out.println("You are $" + remain + " short." );
+ break;
+ }
+ else
+ change = money - item4;
+ change = (double)((int)((change + 0.005) * 100))/100;
+ System.out.println("Thanks for buying mints. Your change is $" + change + ".");
+
+ break;
+
+ //Choice 5
+ case 5:
+
+ if(money < item5) {
+ remain = (double)((int)((remain + 0.005) * 100))/100;
+ remain = item5 - money;
+ System.out.println("You are $" + remain + " short." );
+ break;
+ }
+ else
+ change = money - item5;
+ change = (double)((int)((change + 0.005) * 100))/100;
+ System.out.println("Thanks for buying the chocolate bar. Your change is $" + change + ".");
+
+ break;
+
+ //Choice 6
+ case 6:
+
+ if(money < item6) {
+ remain = (double)((int)((remain + 0.005) * 100))/100;
+ remain = item6 - money;
+ System.out.println("You are $" + remain + " short." );
+ break;
+ }
+ else
+ change = money - item6;
+ change = (double)((int)((change + 0.005) * 100))/100;
+ System.out.println("Thanks for buying cookies. Your change is $" + change + ".");
+
+ break;
+
+ //Error
+ default:
+ System.out.println("Error: Invalid Choice. Please try again.");
+
+ while (true);
+ }
+ }
+}
--
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