Introduction to Object-oriented Programming (12)

On-Demand Training


Course Description

In this course, you learn how to use the object-oriented capabilities of Progress OpenEdge ABL. This course introduces object-oriented ABL concepts and the syntax that supports the concepts. The hands-on exercises reinforce concepts such as encapsulation, inheritance, interface classes, dynamic instances, and events. 

This course is available as part of the Basic OpenEdge Developer Learning Path and Certification Exam program. Please log in to the Progress Education Community with your Progress ID, navigate to the Content Library and search for the Basic OpenEdge Developer Learning Path and Certification Exam. Then simply click the title for FREE access to all the content (courses, assessment exams, and certification exam).


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.


Equivalent to 8 hours of learning

Product Version

This course is compatible with OpenEdge 12.2.

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 

  • Destructors 

  • Access data members and call methods within a class 

  • Work with other classes, including: 

  • Create instances 

  • Access data members and methods 

  • Delete instances 

  • Test a class 

  • Use an inheritance hierarchy. 

  • Use additional access-modes, types and members, including: 

  • Use package-level access modes 

  • Use enums 

  • Use interface classes 

  • Use static members and constructors 

  • Use class events 


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. 

How to Subscribe

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Step 1

Visit the Progress Education Community (PEC) and log in with your Progress ID. If you do not have a Progress ID, follow the instructions to register for one.

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Step 2

Navigate to the Content Library and search for your content.

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