** * Test Food class */ public class FoodTester { public static void main(String[] args) { Food berries = new Food("Strawberries", 4.95, 10); Food cheese = new Food("String Cheese", 5.50, 1); Food spinach = new Food("Spinach",3.95, 0.2); Food cucumber = new Food("Cucumber", 1.50, 0.9); Food rice = new Food("Rice", 4.95, 45.0); System.out.println(rice.getCarbs()); System.out.println("Expected: 45"); System.out.println(spinach.getCarbs()); System.out.println("Expected: 0.2"); System.out.println(cheese.isZeroCarb()); System.out.println("Expected: false"); System.out.println(berries.isZeroCarb()); System.out.println("Expected: false"); System.out.println(spinach.isZeroCarb()); System.out.println("Expected: true"); System.out.println(cucumber.isZeroCarb()); System.out.println("Expected: true"); System.out.println(spinach.getDescription()); System.out.println("Expected: Spinach carbs=0.2"); System.out.println(cheese.getDescription()); System.out.println("Expected: String Cheese carbs=1.0"); } } Product.java /** * Models a product wih a price and description */ public class Product { private double price; private String description; /** * Constructs a Product with a price and description * @param thePrice the price of this product * @param theDescription the description of this * product */ public Product(String theDescription, double thePrice ) { price = thePrice; description = theDescription; } /** * Gets the price of this Product * @return the price of this object */ public double getPrice() { return price; } /** * Gets the description of this Product * @return the description of this Product */ public String getDescription() { return description; } /** * Reduce the price by the given percent * @param percent the pecentage to reduce the price by */ public void reducePrice(double percent) { price = price - price * percent/100; } /** * Increase the price of the Product by the * given percent * @param percent the percentage to increase the * price by */ public void increasePrice(double percent) { price = price * (1.0 + percent/100); } }
/** * Test Food class */ public class FoodTester { public static void main(String[] args) { Food berries = new Food("Strawberries", 4.95, 10); Food cheese = new Food("String Cheese", 5.50, 1); Food spinach = new Food("Spinach",3.95, 0.2); Food cucumber = new Food("Cucumber", 1.50, 0.9); Food rice = new Food("Rice", 4.95, 45.0); System.out.println(rice.getCarbs()); System.out.println("Expected: 45"); System.out.println(spinach.getCarbs()); System.out.println("Expected: 0.2"); System.out.println(cheese.isZeroCarb()); System.out.println("Expected: false"); System.out.println(berries.isZeroCarb()); System.out.println("Expected: false"); System.out.println(spinach.isZeroCarb()); System.out.println("Expected: true"); System.out.println(cucumber.isZeroCarb()); System.out.println("Expected: true"); System.out.println(spinach.getDescription()); System.out.println("Expected: Spinach carbs=0.2"); System.out.println(cheese.getDescription()); System.out.println("Expected: String Cheese carbs=1.0"); } }
Product.java
/** * Models a product wih a price and description */ public class Product { private double price; private String description; /** * Constructs a Product with a price and description * @param thePrice the price of this product * @param theDescription the description of this * product */ public Product(String theDescription, double thePrice ) { price = thePrice; description = theDescription; } /** * Gets the price of this Product * @return the price of this object */ public double getPrice() { return price; } /** * Gets the description of this Product * @return the description of this Product */ public String getDescription() { return description; } /** * Reduce the price by the given percent * @param percent the pecentage to reduce the price by */ public void reducePrice(double percent) { price = price - price * percent/100; } /** * Increase the price of the Product by the * given percent * @param percent the percentage to increase the * price by */ public void increasePrice(double percent) { price = price * (1.0 + percent/100); } }
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