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Foundations of Programming: Object-Oriented Design

with Simon Allardice

Video: Welcome

Most modern programming languages, such as Java, C#, Ruby and Python, are object-oriented languages. However, object-oriented design is both a language and a set of ideas, so it's helpful to learn about the use cases for each language in order to use the one that best meets your requirements. This online Welcome video discusses the foundations of programming for object-oriented design to help you understand the basic principles.
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  1. 11m 35s
    1. Welcome
      1m 25s
    2. Who this course is for
      1m 15s
    3. What to expect from this course
      3m 6s
    4. Exploring object-oriented analysis, design, and development
      1m 41s
    5. Reviewing software development methodologies
      4m 8s
  2. 26m 14s
    1. Why we use object-orientation
      2m 42s
    2. What is an object?
      5m 22s
    3. What is a class?
      4m 43s
    4. What is abstraction?
      2m 45s
    5. What is encapsulation?
      3m 45s
    6. What is inheritance?
      3m 35s
    7. What is polymorphism?
      3m 22s
  3. 12m 16s
    1. Understanding the object-oriented analysis and design processes
      4m 13s
    2. Defining requirements
      6m 9s
    3. Introduction to the Unified Modeling Language (UML)
      1m 54s
  4. 23m 35s
    1. Understanding use cases
      6m 11s
    2. Identifying the actors
      4m 16s
    3. Identifying the scenarios
      5m 7s
    4. Diagramming use cases
      4m 18s
    5. Employing user stories
      3m 43s
  5. 16m 36s
    1. Creating a conceptual model
      1m 59s
    2. Identifying the classes
      2m 27s
    3. Identifying class relationships
      2m 38s
    4. Identifying class responsibilities
      6m 43s
    5. Using CRC cards
      2m 49s
  6. 22m 25s
    1. Creating class diagrams
      6m 11s
    2. Converting class diagrams to code
      4m 57s
    3. Exploring object lifetime
      5m 55s
    4. Using static or shared members
      5m 22s
  7. 19m 49s
    1. Identifying inheritance situations
      6m 49s
    2. Using inheritance
      2m 43s
    3. Using abstract classes
      2m 2s
    4. Using interfaces
      4m 20s
    5. Using aggregation and composition
      3m 55s
  8. 9m 23s
    1. Creating sequence diagrams
      5m 18s
    2. Working with advanced UML diagrams
      2m 3s
    3. Using UML tools
      2m 2s
  9. 10m 39s
    1. Introduction to design patterns
      2m 40s
    2. Example: the singleton pattern
      4m 53s
    3. Example: the memento pattern
      3m 6s
  10. 21m 47s
    1. Introduction to object-oriented design principles
      2m 50s
    2. Exploring general development principles
      3m 55s
    3. Introduction to SOLID principles
      6m 43s
    4. Introduction to GRASP principles
      8m 19s
  11. 7m 1s
    1. Reviewing feature support across different object-oriented languages
      3m 50s
    2. Additional resources
      2m 27s
    3. Goodbye

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Foundations of Programming: Object-Oriented Design
Video Duration: 0s 3h 1m Intermediate


View Course Description

Most modern programming languages, such as Java, C#, Ruby, and Python, are object-oriented languages, which help group individual bits of code into a complex and coherent application. However, object-orientation itself is not a language; it's simply a set of ideas and concepts.

Let Simon Allardice introduce you to the terms—words like abstraction, inheritance, polymorphism, subclass—and guide you through defining your requirements and identifying use cases for your program. The course also covers creating conceptual models of your program with design patterns, class and sequence diagrams, and unified modeling language (UML) tools, and then shows how to convert the diagrams into code.

Topics include:
  • Why use object-oriented design (OOD)?
  • Pinpointing use cases, actors, and scenarios
  • Identifying class responsibilities and relationships
  • Creating class diagrams
  • Using abstract classes
  • Working with inheritance
  • Creating advanced UML diagrams
  • Understanding object-oriented design principles


Hi. I'm Simon Allardice, and welcome to Foundations of Programming: Object-Oriented Design. This course exists because everyone who learns to program hits the same wall. First, you get through the fundamentals, the basic syntax of a programming language. You learn how to write some code. But soon you realize there's a huge difference between being able to write a few lines of code and being able to design, understand, and create a more complex application. And often it's difficult to even know where to start. Well, this is where object- oriented design can help.

But to discuss these ideas we're going to need a vocabulary, the jargon, the terminology, the words we use, so that when we talk about this we know exactly what we're talking about. And we'll see the process of taking an initial idea for an application, something you'd write on the back of a napkin and understanding how to break it apart into the right pieces, so that we end up knowing exactly what code to go and write. And we'll also see the basics of UML, or the Unified Modeling Language. This is one useful way of diagramming, of sketching visual models of an object-oriented system.

Now we won't be writing any code in this course. As you'll see, we won't have to. But you will see examples of how the most popular languages put these ideas into practice. So we've got a lot to cover. Let's get started!

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