{"LaundryServiceTesterSolution.java":"import java.util.Scanner;\n\npublic class LaundryServiceTesterSolution\n{\n public static void main(String[] args)\n {\n int lbsOfClothes, numShirts;\n double taxRate;\n \n Scanner input = new Scanner(System.in);\n \n //System.out.println(\"Enter the sales tax rate: \");\n taxRate = input.nextDouble();\n \n //System.out.println(\"How many pounds of clothes do you need to be laundered? \");\n lbsOfClothes = input.nextInt();\n \n //System.out.println(\"How many shirts do you need to be dry cleaned? \");\n numShirts = input.nextInt();\n \n \n double total = 0;\n LaundryServiceSolution calc = new LaundryServiceSolution(2, 3, taxRate);\n \n total += calc.laundryCost(lbsOfClothes);\n total += calc.dryCleaningCost(numShirts);\n \n System.out.print(\"Total: \");\n System.out.println(total);\n \n System.out.print(\"Grand Total: \");\n System.out.println(calc.grandTotal(total));\n }\n}","LaundryServiceSolution.java":"public class LaundryServiceSolution\n{\n \n double laundry; // price per pound of laundered clothes \n double dryClean; // price per dry cleaned shirt\n double taxRate; \n \n \n public LaundryServiceSolution(double laundryPrice, double dryCleanPrice, double taxes)\n {\n laundry = laundryPrice;\n dryClean = dryCleanPrice;\n taxRate = taxes;\n }\n \n // Computes and returns the cost\n // of the laundered clothes\n public double laundryCost(int lbsOfClothes)\n {\n return laundry * lbsOfClothes; \n }\n \n // Computes and returns the cost of the dry cleaning service\n public double dryCleaningCost(int numShirts)\n {\n return dryClean * numShirts; \n }\n \n // Computes the grand total by adding\n // the tax amount to the total\n public double grandTotal(double total)\n {\n return total * (1 + taxRate);\n }\n \n}\n","Grader.java":"import java.util.*;\n\npublic class Grader\n{\n public static void main(String [] args)\n {\n Autograder grader = new Autograder();\n\n // Test class methods\n LaundryService student = new LaundryService(10, 5, 0.06);\n LaundryServiceSolution sltn = new LaundryServiceSolution(10, 5, 0.06);\n \n double studentCost = student.laundryCost(10);\n double sltnCost = sltn.laundryCost(10);\n grader.assertEqual(\"Test laundryCost\",\n studentCost,\n sltnCost,\n \"Great!\",\n \"Try again!\");\n \n \n studentCost = student.dryCleaningCost(100);\n sltnCost = sltn.dryCleaningCost(100);\n \n grader.assertEqual(\"Test dryCleaningCost\",\n studentCost,\n sltnCost,\n \"Great!\",\n \"Try again!\");\n \n studentCost = student.grandTotal(250.50);\n sltnCost = sltn.grandTotal(250.50);\n \n grader.assertEqual(\"Test grandTotal\",\n studentCost,\n sltnCost,\n \"Great!\",\n \"Try again!\");\n\n\n studentCost = student.laundryCost(15);\n sltnCost = sltn.laundryCost(15);\n \n grader.assertEqual(\"Test laundryCost\",\n studentCost,\n sltnCost,\n \"Great!\",\n \"Try again!\");\n \n\n studentCost = student.dryCleaningCost(18);\n sltnCost = sltn.dryCleaningCost(18);\n\n \n grader.assertEqual(\"Test dryCleaningCost\",\n studentCost,\n sltnCost,\n \"Great!\",\n \"Try again!\");\n \n studentCost = student.grandTotal(100.5);\n sltnCost = sltn.grandTotal(100.5);\n \n \n grader.assertEqual(\"Test grandTotal\",\n studentCost,\n sltnCost,\n \"Great!\",\n \"Try again!\");\n\n \n // Test main\n String output, sltnOutput;\n \n grader.setInputs(new String[] {\"0.5\", \"15\", \"20\"});\n \n LaundryServiceTester.main(new String[0]);\n output = grader.getOutput(\"LaundryServiceTester\");\n String[] lines = output.trim().split(\"\\n\");\n \n \n grader.clearOutput();\n grader.setInputs(new String[] {\"0.5\", \"15\", \"20\"});\n LaundryServiceTesterSolution.main(new String[0]);\n sltnOutput = grader.getOutput(\"LaundryServiceTesterSolution\");\n String[] sltnLines = sltnOutput.trim().split(\"\\n\");\n \n if(lines.length >= 2){\n for(int i = 0; i < sltnLines.length; i++){\n grader.assertEqual(\"Testing output totals\",\n lines[lines.length - (2 - i)].trim(),\n sltnLines[i].trim(),\n \"Great!\",\n \"Check the output carefully\");\n }\n } else {\n grader.addTest(\"Checking output length\",\n false,\n output,\n sltnOutput,\n \"You didn't print enough lines\");\n }\n \n \n \n \n System.out.println(grader);\n }\n}\n","ObjectTracker.java":"import java.util.*;\nimport java.lang.*;\n\n/**\n * This class can be used to track other instances of classes. All that is\n * required is to have said class extend ObjectTracker. Then anytime, a instance\n * of said class is created, it will be tracked by ObjectTracker.\n */\npublic class ObjectTracker{\n\n private static HashMap> objTracker = new HashMap>();\n private static final int CALLER_INDEX = 3;\n\n /**\n * This will print out the names of all classes currently being tracked as\n * well as the class instances that are being tracked for those classes.\n */\n public static void printObjectTracker()\n {\n for(String className: objTracker.keySet())\n {\n System.out.println(\"Objects for \" + className);\n ArrayList