Unit #2-04

Learning Outcome

At the end of this lesson, you will be able to:

• understand UML, especially Class Diagrams

Review

• review "Methods" & "Fields"

Lesson

• read "Using OOP", Chapter 8, Computer Based Problem Solving

  • read "UML" & "Class Diagrams"

    • we will be focussing on just one (1) of the many types of diagrams, Class Diagrams (see below)

    • this diagram exists in Draw.io!

  • we will include method types and the types of parameters passed into methods

    • constructors are normally not included

Activity

• draw class diagram for MrCoxallStack, using Draw.io

  • (see below for example)

Daily Assignment

• create the Class Diagram for MrCoxallStack

• continue to re-create the MrCoxallStack from last time:

  • make a peekItem():string method

    • it returns the top value BUT does not remove it from the stack

  • make a clearStack() method

    • removes everything from the stack

Extra

• do the above in a second language