System i: RPG IV Crossover

Course Overview

RPGIV for experienced RPG/400 programmers

RPGIV is the latest version of RPG available on the iSeries, and offers significant gains when compared to RPG/400. This crossover course updates RPG/400 programmers skills to RPGIV, and introduces the new features of the programming language.

Audience

iSeries programmers who are already proficient in writing RPG/400 programs on the iSeries and who want to become more productive with the new features of RPGIV.

Skills Gained

This course will enable delegates to:

• Convert RPG/400 programs to RPGIV.
• Code the extended factor 2 operation.
• Identify and use the new and updated operation codes.
• Reduce the use of indicators in RPG4 programs.
• Use the built in functions provided by RPGIV.
• Code the definition specifications.
• Code subprocedure definitions.
• Code arrays and pointers.
• Deal with variable length strings and arrays.

Prerequisites

Delegates attending this course must be proficient in RPG/400.

Course Outline

• Summary of changes in RPGIV
• Converting programs from RPG/400
• The new control and file specification
• Creating RPGIV programs
• Operation code changes
• Expressions
• Built in functions
• Arithmetic operations
• String handling
• Data structures
• Data areas
• Using arrays in RPGIV
• Dynamic arrays
• Introduction to subprocedures
• Scope of definitions
• Defining a prototype
• Calling subprocedures
• Introduction to APIs
• RPGIV programming standards