RPG III (RPG/400) to RPG IV and ILE

Prerequisites:

Before taking this course, a student should:

Have at least six months experience of programming in RPG III
A knowledge of the modern development environment (WDSC/RSE/Rdi) would be advantageous available through WDSC/RSE/RDi for Programmers

Course Description:

The course introduces RPG IV and ILE from the point of view of experienced RPG III (RPG/400) programmer. There are extensive hands-on exercises. On completion of the course, participants should be able to take full advantage of the benefits of RPG IV and ILE.

This course includes the following modules:

RPG IV 101

• Background
• Conversion Options
• Format and Limit Changes
• Data Types
• H-Spec
• F-Spec
• D-Spec (Overview)
• C-Spec
• I-Spec and O-Spec
• Freeform RPG

D Specs

• Data Structures
• Arrays
• Stand Alone Fields
• Replacing RPG Indicators
• The Indicator Data Structure
• Qualified Data Structures
• Data Structure Arrays

Expressions

• Arithmetic Expressions
• Character Expressions
• Logical Expressions
• Precision Rules

Built In Functions (BIFs)

• Using BIFs
• Types of BIFs

Dates, Times and Timestamps

• Defining
• Moving
• Calculating Durations

Prototyped Calls

• Prototypes
• Structure
• Useful Keywords
• Procedure Interface

Subprocedures (Part 1)

• P-Spec
• Structure
• Subprocedure Vs Subroutine

Introduction to ILE

• Static Binding Vs Dynamic Binding
• Bind By Copy
• Bind By Reference
• Service Programs

Subprocedures (Part 2)

• Subprocedures Vs Called Programs
• NOMAIN Modules

ILE Other Topics

• Binding Directories
• Binder Language
• Activation Groups