Chapter 2, Problem 7PP

Program Plan Intro

Day object to print the expected date

Program plan:

• Import the required java package.
• Create the class “Day”.
  • Declare the static variables.
  • Create the constructor.
    • Set the variables for year, month and date from Gregorian calendar.
  • Create the parameterized constructor.
    • Assign the values for year, month and date.
  • Define the method “daysPerMonth()”,
    • Return the number of days in month.
  • Define the method “isLeapYear()”,
    • Check and return if the year is leap year or not.
  • Define the method “getYear()”,
    • Return the year of the day.
  • Define the method “getMonth()”,
    • Return the month of the day.
  • Define the method “getDate()”,
    • Return the date of the day.
  • Define the method “addDays()”,
    • Return a day away from the given date.
  • Define the method “daysFrom()”,
    • Return the number of days between current day and another day.
  • Define the method “toString()”,
    • Return the formatted string of date.
  • Define the method “compareTo()”,
    • Compare the day with another day.
    • Return positive number if the day comes after the other day.
    • Return negative number if the day comes before the other day.
    • Return the value “0”, if both the days are same.
  • Define the method “nextDay()”,
    • Return the day followed by the current date.
  • Define the method “previousDay()”,
    • Return the day preceding the date.
• Create the class “Feb28”,
  • Define the “main()” function,
    • Create the objects for three dates.
    • Print the expected dates and sequence of next two dates in string format.
    • Print the expected dates and sequence of next two dates in string format.