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Introduction to Object-oriented Programming

This course is for experienced Progress OpenEdge Advanced Business Language (ABL) developers who want to learn how to use the object-oriented capabilities of ABL.

Product Version: Progress OpenEdge 11.6     Duration: Equivalent to 8 hours of instructor-led training

Course Description

In this course you will learn how to use the object-oriented capabilities of Progress OpenEdge ABL. First you will be introduced to key features of Progress Software’s object-oriented ABL. Next, you will learn how to develop and test classes. Finally, you will learn how to further develop an application by applying object-oriented programming features such as inheritance, interface classes, singletons, dynamic instances, and events.

This course is available as Instructor-Led Training and online with a subscription to the Progress Education Community.

What you will learn

After taking this course, you should be able to:

  • Describe the key features of object-oriented ABL programming.
  • Define the parts of an ABL class, including:
    • Data members
    • Constructors
    • Methods
    • A destructor
  • Access data members and call methods within a class.
  • Work with other classes, including:
    • Creating instances
    • Accessing data members and methods
    • Accessing a class instance dynamically
    • Deleting instances
  • Test a class
  • Define and use an inheritance hierarchy
  • Define and use interface classes
  • Create singletons (static instances)
  • Create instances dynamically
  • Define and use class events

Prerequisites

You should already be able to:

  • Develop and test ABL procedural code.
  • Perform basic tasks in Progress Developer Studio for OpenEdge:
    • Define a workspace
    • Create a project.
    • Use Project Explorer to navigate within the workspace.
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