Section 005: Lab test 2 sample codes

public class Drink 
{
 private String name;
 private String brand;
 private double calories;
 
 public Drink()
 {
  name = "";
  brand = "";
  calories = 0;
 }
 
 public void setName(String s)
 {
  name = s;
 }
 
 public String getName()
 {
  return name;
 }
 
 public void setBrand(String s)
 {
  brand = s;
 }
 
 public String getBrand()
 {
  return brand;
 }
 
 public void setCal(double i)
 {
  calories = i;
 }
 
 public double getCal()
 {
  return calories;
 }
 
 public void printInfo()
 {
  System.out.println("Name: " + name);
  System.out.println("Brand: " + brand);
  System.out.println("Calories: " + calories);
 }

}

public class FruitJuice extends Drink 
{
 private double fruitPercentage;
 private String fruit;
 
 public FruitJuice()
 {
  super();
  fruitPercentage = 0;
  fruit = "";
 }
 
 public void setFruitPercentage(double fruit)
 {
  fruitPercentage = fruit;
 }
 
 public double getFruitPercentage()
 {
  return fruitPercentage;
 }
 
 public void setFruit(String s)
 {
  fruit = s;
 }
 
 public String getFruit()
 {
  return fruit;
 }
 
 public void printInfo()
 {
  super.printInfo();
  System.out.println("Fruit Percentage: " + fruitPercentage + "%");
  System.out.println("Fruit: " + fruit);
 }
 
}

public class Soda extends Drink 
{
 private double caffinePercent;
 
 public Soda()
 {
  super();
  caffinePercent = 0;
 }
 
 public void setCaffinePercent(double caffine)
 {
  caffinePercent = caffine;
 }
 
 public double getCaffinePercent()
 {
  return caffinePercent;
 }
 
 public void printInfo()
 {
  super.printInfo();
  System.out.println("Caffine Percent: " + caffinePercent + "%");
 }
 
}

import java.util.Scanner;

public class DrinkList
{

 public static String lowestCalorie(Drink[] drinks)
 {
  Drink drink = drinks[0];

  for(int i = 0; i < drinks.length; i++)
  {
   if(drinks[i].getCal() <= drink.getCal())
   {
    drink = drinks[i];
   }
  }

  String lowest = drink.getName();
  return lowest;
 }

 public static void printAll(Drink[] drinks)
 {
  for(int i = 0; i < drinks.length; i++)
  {
   drinks[i].printInfo();
   System.out.println();
  }
 }


 public static void main(String[] args) 
 {
  Scanner keyboard = new Scanner(System.in);

  boolean run = true;

  System.out.println("How many drinks will you be entering?");
  int num = keyboard.nextInt();
  System.out.println();

  Drink[] drinks = new Drink[num];

  for(int i = 1; i <= num; i++)
  {
   keyboard.nextLine();

   System.out.println("Information on Drink " + i + ": ");

   System.out.print("Type of Drink (Soda or Fruit) ");
   String type = keyboard.nextLine();

   System.out.print("Enter " + type + "'s name: ");
   String name = keyboard.nextLine();

   System.out.print("Enter " + name + "'s brand: ");
   String brand = keyboard.nextLine();

   System.out.print("Enter " + name + "'s calories: ");
   double calories = keyboard.nextDouble();
   keyboard.nextLine();

   if(type.equalsIgnoreCase("Soda"))
   {
    System.out.print("Enter the percentage of caffine in " + name + ": ");
    double caffine = keyboard.nextDouble();

    Soda soda = new Soda();

    soda.setName(name);
    soda.setBrand(brand);
    soda.setCal(calories);
    soda.setCaffinePercent(caffine);

    drinks[i - 1] = soda;

   }
   else if(type.equalsIgnoreCase("Fruit"))
   {
    System.out.print("Enter the fruit in " + name + ": ");
    String fruit = keyboard.nextLine();

    System.out.print("Enter the  percentage vitamin (Daily value) in " + name + ": ");
    double vitamin = keyboard.nextDouble();

    FruitJuice juice = new FruitJuice();

    juice.setName(name);
    juice.setBrand(brand);
    juice.setCal(calories);
    juice.setFruit(fruit);
    juice.setFruitPercentage(vitamin);

    drinks[i - 1] = juice;

   }
   else
   {
    System.out.println("Sorry, but I didn't recognize the kind of drink.");
    System.out.println("Next time put the type in right.");
    i--;
   }

   System.out.println();
  }
  
  String option = keyboard.nextLine();

  do
  {   
   System.out.println("Enter choice (\"Lowest Calorie\", \"PrintAll\", or \"exit\" ): ");
   option = keyboard.nextLine();

   
   if(option.equalsIgnoreCase("Lowest Calorie"))
   {
    System.out.println(lowestCalorie(drinks));
   }
   else if(option.equalsIgnoreCase("PrintAll"))
   {
    printAll(drinks);
   }
   else
   {
    System.out.println("Please enter one of the available commands.");
   }


  }while(!option.equalsIgnoreCase("Exit"));

  System.out.println("Thanks for using the program. :)");

 }

}