CSE205 Lecture 05

Object-Oriented Programming and Data Structures
Inheritance I
(202202)

Transcript

1. jgs
   CSE 205
   Object-Oriented Programming and
   Data Structures
   Lecture 05: Programming with Java IV
   Dr. Javier Gonzalez-Sanchez
   javiergs@asu.edu
   javiergs.engineering.asu.edu | javiergs.com
   PERALTA 230U
   Office Hours: By appointment
   

   View Slide

2. jgs
   Previously…
   

   View Slide

3. Javier Gonzalez-Sanchez | CSE205 | Fall 2021 | 4
   jgs
   Lecture 31
   2D Array
   § Declaration
   § Initializer List
   § Add values
   § Print values
   § Etc…
   0
   1
   2
   3
   4
   5
   0 0 0
   0 0 0
   0 0 0
   0 0 0
   0 0 0
   0 0 0
   0 1 2
   

   View Slide

4. Javier Gonzalez-Sanchez | CSE205 | Fall 2021 | 5
   jgs
   Lecture 32
   3D Arrays (Multidimensional)
   § Declaration
   § Initializer List
   § Add values
   § Print values
   § Etc…
   12 24
   8 16
   4 8
   9 18
   6 12
   3 6
   6 12
   4 8
   2 4
   3 6
   2 4
   1 2
   

   View Slide

5. Javier Gonzalez-Sanchez | CSE205 | Fall 2021 | 6
   jgs
   Lecture 33
   Recursion
   § How does it work
   § Understand factorial. Fibonacci, Searching, etc.
   § What about print numbers n to m?
   § What about add numbers 0 to n?
   

   View Slide

6. jgs
   UML Diagrams
   

   View Slide

7. Javier Gonzalez-Sanchez | CSE205 | Fall 2021 | 8
   jgs
   Blueprint
   

   View Slide

8. Javier Gonzalez-Sanchez | CSE205 | Fall 2021 | 9
   jgs
   UML Diagrams
   

   View Slide

9. Javier Gonzalez-Sanchez | CSE205 | Fall 2021 | 10
   jgs
   UML Class diagram
   § The Unified Modeling Language
   Class diagrams show the classes in a system
   § modifiers
   § Attributes
   § methods
   And the relationships between these classes:
   § Association / Dependency (calling methods)
   § Aggregation / Composition (attributes)
   § Generalization / Specialization / Realization (inheritance)
   

   View Slide

10. Javier Gonzalez-Sanchez | CSE205 | Fall 2021 | 11
    jgs
    Class Name
    Attributes variableName:type = initial value
    Methods
    methodName(parameterType):return type
    UML Class diagram
    

    View Slide

11. Javier Gonzalez-Sanchez | CSE205 | Fall 2021 | 12
    jgs
    Diagrams (UML)
    # name:String
    + Vehicle()
    + Car()
    +
    -
    #
    

    View Slide

12. Javier Gonzalez-Sanchez | CSE205 | Fall 2021 | 13
    jgs
    Object Oriented Relationships
    Directed
    Association
    Aggregation Generalization Realization
    

    View Slide

13. Javier Gonzalez-Sanchez | CSE205 | Fall 2021 | 14
    jgs
    Questions
    

    View Slide

14. jgs
    CSE 205 Object-Oriented Programming and Data Structures
    Javier Gonzalez-Sanchez, Ph.D.
    javiergs@asu.edu
    Spring 2022
    Copyright. These slides can only be used as study material for the class CSE205 at Arizona State University.
    They cannot be distributed or used for another purpose.
    

    View Slide