SAP Object Oriented ABAP

 

Basic OOABAP and Advance OOABAP

• Introduction to OOABAP.
• Difference between OOABAP and Other Programming Languages.
• Classes.

Global class

Local class.

• Instance Components & Static Components
• Objects & Objects References

 

Implicit Objects.

Explicit Objects.

Difference b/t Implicit & Explicit Objects.

Garbage Collection.

 

• Attributes and Constants

Instance Attributes

Static Attributes

Difference b/n Instance Attributes & Static Attributes.

Using Parameters.( Importing , Exporting, Returning etc.)

 

• Methods. ( Local & Global )

Static Method.

Instance Method.

Difference b/n Instance Method & Static Method

 

• Constructors. ( Local & Global )

Static Constructor.

Instance Constructor.

Sequence of Constructors Execution

Difference b/t Static & Instance Constructor

• Destructors.

 

Inheritance. ( Local & Global )

Single Inheritance.

Multi level Inheritance.

Multiple Inheritance.

Inheritance Hierarchy.

Instance & Static Constructors in Inheritance

Visibility of Static Components in Sub Classes

Visibility of Instance Components in Sub Classes

 

Polymorphism. ( Local & Global )

Method overloading.

Method overriding.

Redefinition keyword.( Local & Global )

Super keyword.

ME keyword for Self Reference

 

Abstraction ( Local & Global )

Abstract Methods.

Abstract classes

 

Interfaces. ( Local & Global )

Composite Interface

Implementation of Interfaces in Local and Global class

Advantage of Interfaces

Difference b/t Abstract class and Interface

Aliases. ( Local & Global )

 

Final ( Local & Global )

Final Class.

Final Methods.

Friend Class.

Singleton Class.

 

Type casting.

Narrow casting( Up-Casting )

Wide casting ( Down-Casting )

 

Event Handling

Static Events, Instance Events

 

Exception Handling.

Try-catch Block.

Local & Global Exceptions

 

OOABAP ALV reporting Using Classes & Methods

• CL_GUI_ALV_GRID
• CL_GUI_Custom_Container ,etc Classes
• Enabling Multiple selection of ALV rows.
• ALV Cells as Drop Down List
• ALV Row Coloring
• ALV Column Coloring
• ALV Toolbar buttons
• ALV Columns as Traffic Lights
• ALV Reporting using Classes with Event Handling.
• Interactive Events in OOALV
• Print_Top_of_Page, Print_End_of_Page
• Print_Top_of_List, Print_End_of_List
• Button_Click, Double Click
• Menu_button, User_command
• Etc. various other Examples on OOALV