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RPG/400 Programming

Duration

4 hours

Overview

The RPG/400 Programming course explains how to use Report Program Generator (RPG) features to write reports. It also describes structured programming and how to affect the flow of control.

Audience

Personnel requiring knowledge of RPG/400 programming in a Green-Screen Environment

Prerequisites

Knowledge of data processing, programming concepts, and the IBM i operating system.

Objectives

    After completing this course, the student will be able to:
  • Define the RPG/400 program cycle
  • Identify the process to stop a program using the LR indicator and the Return (RETRN) opcode
  • Define the basics of structured programming
  • Identify how to affect the flow of control by using indicators and structured opcodes

Course Content

Introducing the RPG Cycle

The RPG Cycle - Program Start, Execution, and End
Using the Calculation Specification Sheet
Stopping an RPG Program
Using the SETON LR and RETRN Opcodes
Coding a Simple Program

Structured Programming - Flow of Control

Introduction to Flow of Control
Structured Programming
Sequence
Alternation

Structured Programming - Iteration

What Iteration is and How it is Used
Introducing the DO Opcode and its variants DO Until and DO While

RPG Advanced Indicators

Flow of Control Using Indicators and Structured Programming Opcodes
Setting and Unsetting Indicators
Treating Indicators as Fields and Array Elements

RPG/400 Programming Mastery Test

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