VisualAge PL/I Differences

Course Number:  654-TF
Recommended Duration:  3  days

Intended Audience
PL/I programmers who need to develop new programs with, or migrate existing programs to, the new VisualAge PL/I compiler.

Objectives
Students who complete this course will learn to describe the basic elements of the PL/I language that are different among the PL/I compilers from IBM, in any of their releases (OS PL/I Optimizing Compiler, PL/I for MVS & VM and VisualAge PL/I for OS/390).  The student will also learn benefits and implications of using the VisualAge PL/I compiler, and be able to develop applications using the VisualAge PL/I compiler for execution on the mainframe environment.  There are seven machine exercises.

Prerequisites
The student should have experience coding PL/I programs, be comfortable with the text edit.

Topics

• Components of the environment

• Changes from OS PL/I to PL/I for MVS & VM

• FIXED BIN(7)

• Compound operators

• Named Constants

• NONVARYING, NONVARYINGZ, and other new attributes

• Unions

• Subroutine parameters extensions

• FLUSH, ITERATE, and RESIGNAL statements

• The ANYCONDITION condition

• User-defined types: Aliases, Ordinals, and Named Structures

• Compiler Options

• Date data types

• New built-in functions

• Packages

• FETCH extensions