Chapter 7, Problem 7PP

Program Plan Intro

Seating chart

Program plan:

• In a file “SeatingChart.java”, create a class “SeatingChart”,
  • Define a method “printSeats()” to print the price of seats in a grid like pattern.
    • Create a loop,
      • Create an inner loop,
        • Print the price.
      • Print new line.
  • Define a method “sellSeatByPrice()” to make a seat with the price given to “0”.,
    • Create a loop,
      • Create an inner loop,
        • Check whether the price matched,
        • • If it is true, set the price to “0”.
          • Return nothing.
    • Print unavailability of seats message.
  • Define the method “sellSeatByNumber()”,
    • Prompt the user to enter row and seat number.
    • Create “Scanner” object.
    • Get the row from the user.
    • Check the condition,
      • If it is true, get the seat from the user.
      • Check the condition,
        • If it is true, check another condition,
        • • If it is true, set the price to “0”.
            • Otherwise, print the message to denote that the seat is already occupied.
      • Otherwise, print the invalid row message
    • Otherwise, print invalid row message.
  • Define the method “main()”,
    • Declare the initial values from the problem description.
    • Create object for “SeatingChart” class.
    • Call the method “printSeats()”.
    • Prompt the user a choice.
    • Create Scanner object.
    • Get the choice form the user.
    • If choice is “q”,
      • Check if choice is “s”,
        • Call the method “sellSeatByNumber()”.
      • Otherwise,
        • Prompt the user a choice.
        • Get the choice from the user.
        • Call the method “sellSeatByPrice()”.
      • Call the method “printSeats()”.
        • Prompt the user a choice.
        • Get the choice from the user.