StackOverflow2013

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19695692
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2013-10-30T23:23:38.597
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2013-10-30T23:23:38.597
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19694567
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Not sure what your program is supposed to do but.... <ol> <li>You shouldn't be using "static", this is really used for constant variables. <pre><code>public static int dollars; public static int coupons = dollars; public static int bars = dollars; </code></pre></li> <li>This constructor has no function in your program <pre><code>public VendingMachine() { this (0); } </code></pre></li> <li>"%" is the modulo operator this is used to get the remainder...I don't think thats what your are wanting to do here. <pre><code>newcoupons = (coupons % 6) +(coupons/6); </code></pre></li> <li>Here you want to create an instance of "VendingMachine" not the tester class. <pre><code>VendMachineTest totalbars = new VendMachineTest(); </code></pre></li> </ol> Perhaps you were trying to achieve something along the lines of this? <pre><code>public class VendingMachine { public int dollars; public int coupons; public int mybars = 0; public VendingMachine (int d,int c) { dollars = d; coupons = c; } public void buy_One_Bar() { if(coupons >5) //I get a free bar? { mybars++; // mybars = mybars + 1; coupons = coupons - 6; }else{ dollars--; //Decrease amount of dollars by 1 mybars++; //You gain a bar coupons++; //You gain a coupon } } public int getBars() { return mybars; } public int getDollars() { return dollars; } public int getCoupons() { return coupons; } } </code></pre> <hr> <pre><code>import java.util.Scanner; public class VendMachineTest{ public static void main(String[]args) { Scanner user_input = new Scanner(System.in); int starting_dollars; int starting_coupons; System.out.println("Amount of Cash?"); starting_dollars = user_input.nextInt(); System.out.println("How many coupons do you have?"); starting_coupons = user_input.nextInt(); VendingMachine vm = new VendingMachine(starting_dollars, starting_coupons); vm.buy_One_Bar(); //Buy some bars //Print out what you have... System.out.println("Your Dollars :"+ vm.getDollars()); System.out.println("Amount of Coupons:"+ vm.getCoupons()); System.out.println("Amount of Bars you have:"+ vm.getBars()); } } </code></pre>
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1. This table or related slice is empty.
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1. POUsing While Loops, Using Scanner Input Variables
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1. PTAnswer
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1. USKevin Paton
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