lass Design – Date V0.0 & V1.0 Create a new project for this lab and create a new class inside called Date. If you created a Date class last week, you may use it as a base. What does it mean to be a Date? What data items (called “state”) do you need to keep track of? Alternatively, what does a date have? (“has a” == composition) What can a Date do? What are the actions and verbs that can be applied to a date? Come up with one or two. These become the class’s methods.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Class Design – Date V0.0 & V1.0

Create a new project for this lab and create a new class inside called Date.

If you created a Date class last week, you may use it as a base.

  • What does it mean to be a Date?
    • What data items (called “state”) do you need to keep track of?
      • Alternatively, what does a date have? (“has a” == composition)
  • What can a Date do?
    • What are the actions and verbs that can be applied to a date?
    • Come up with one or two. These become the class’s methods.
  • Try adding 3 data items to your Date to manage the month, day and year.
    • Should these be local variables? Class-level (or instance) variables?
  • Now let’s build a method to set the date
    • This function should take 3 integers as input and assign these to your instance variables declared in the previous step.
      • public void setDate(int m, int d, int y) {
  • And, let’s build a method to report the date
    • This function takes no input and uses the console to output the Date in the format “mm/dd/yyyy”
      • public void report() { //prints out “10/21/2015”
  • Create a simple main() to test your Date in class.
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