PetFood.java

//PetFood.java

import java.util.Scanner; // Needed for the Scanner class

/**
  This program demonstates a switch statement.
*/

public class PetFood
{
  public static void main(String[] args)
  {
      String input;       // To hold the user's input
      char foodGrade;     // Grade of pet foodGrade

      // Create a scanner object for keyboard input.
      Scanner keyboard = new Scanner(System.in);

      // Promp the user for a grade of pet food.
      System.out.println("Our pet food is available in " +
                        "three grades:");
      System.out.print("A, B, and C. Which do you want " +
                      "pricing for? ");
      input = keyboard.nextLine();
      foodGrade = input.charAt(0);

      // Display pricing for the selected grade.
      switch(foodGrade)
      {
        case 'a':
        case 'A':
          System.out.println("30 cents per lb.");
          break;
        case 'b':
        case 'B':
          System.out.println("20 cents per lb.");
          break;
        case 'c':
        case 'C':
          System.out.println("15 cents per lb.");
          break;
        default:
          System.out.println("Invalid choice.");
      }
  }
}