Description

This training aims to provide trainees with real skills in Cobol programming. All of the fundamental concepts are developed. At the end of this course, participants know how to read, write and develop Cobol applications.

Who is this training for ?

For whom ?

• This training is aimed at IT professionals who wish to acquire operational training to develop or maintain Cobol applications.

Prerequisites

Training objectives

Master the overall syntax of the Cobol language

Understand and implement the links between programs and subprograms

Know how to manage files

Master printing

Training program

• First steps in Cobol
  • The Cobol language: its origins and its evolutions. Its general principles.
  • The new versions of Cobol, Cobol and the Object approach.
  • The different parts of a program (division).
  • The different areas (order numbers, indicator, A, B).
  • The main symbols of the language (words and literals).
  • Compilers: their usefulness.
  • Debugging tools.
• The data
  • The different formats, character strings (or Pictures), levels.
  • Figurative constants. Redefining data.
  • Data manipulation . Inspect, the parameters used in the String and Unstring commands.
• Instructions et expressions
  • The description of the treatments. The division procedure. Basic structure of an instruction.
  • Accept, Display, Move, the different zones (alphabetical, alphanumeric, numeric).
  • Arithmetic instructions: Compute, arithmetic expressions, evaluation rules, Add, Subtract, Multiply, Divide.
  • Conditional expressions and connection: Evaluate and Continue. Goto, Perform, Exit Alter.
  • For proper use of these instructions.
• The tables
  • Presentation, Set, Search.
  • A different use of tables.
  • Implementation.
• Functions
  • Different call modes: example function.
  • Financial, statistical, date, mathematical functions.
  • Other interesting functions.
• Programs and subprograms
  • The conditions of use of subprograms.
  • Call, Exit Program, Cancel, Stop, End Program.
• The files
  • The description of the files. The Data Division, organization and structure, the Linkage Section.
  • The file management commands: Open, Close, Read, Start, Write, Rewrite, Delete .
• The impressions
  • Presentation. The different types of editing. The different formats of the editing command: Write.