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Programming with COBOL - 5 to 10 Days

The course is aimed at developers' not familiar COBOL program development. This course covers all aspects of Programming with COBOL. The course teaches the design, writing and testing of COBOL programs. Many exercises are performed by the developer to ensure that the statements taught are fully understood and practical experience is gained.

A duration of ten days is required to teach someone new to programming. The same course can however, be compressed and taught in a shorter amount of time if 'conversion' training is required e.g. an experienced PL/1 programmer wishing to learn COBOL. The course can also be compressed if the student only requires basic knowledge (for example - to use an Applications Generator).

Therefore, the exact number of days required is determined by the audience, and by the final level of knowledge to be gained.

Pre-requisites

Knowledge of TSO/ISPF and JCL is required. This can be gained by attending course BT02.

Course Objectives

Whilst covering the basics of COBOL programming and how it is used, this course also aims to give an insight into structuring COBOL programs, COBOL verbs, manipulating data, and testing COBOL programs.

On completion of this course the student will be able to:

• Develop Structured COBOL Programs
• Understand and Use COBOL Verbs
• Develop COBOL programs using the available verbs
• Develop and Test COBOL print programs
• Develop and Test COBOL programs accessing different types of files

Course Environment

Development will be performed using:

IBM Mainframe

Course Details

COBOL OVERVIEW

Introduction to COBOL Program Development

Introduction to COBOL

Input of Source Code

COBOL Program Divisions

IDENTIFICATION DIVISION

The Identification Division

ENVIRONMENT DIVISION

The Environment Division

DATA DIVISION

File Section

Working Storage Section

Linkage Section

Declaring Variables

Picture Clauses
Special Picture Clauses for Printing

Initialising Variables

Filler

Level 88's

The Occurs Clause

Redefinitions

Copying Members from an External PDS

PROCEDURE DIVISION

Sections and Paragraphs

Program Termination

Procedure Division Statements

Program Structure

PROGRAM FLOW

Perform Statement

In-Line Perform Statements

Go To Statement

If Statement

Evaluate Statement

FILE ACCESS

Opening Files

Closing Files

Read Statement

Write Statement

Carriage Control Characters

Display Statement

Accept Statement

MANIPULATING VARIABLES

Move Statement
Group Moves
Move Corresponding

Reference Modification and Substrings

Set Statement

Initialising Variables

Arithmetic Manipulation
Add Statement
Subtract Statement
Multiply Statement
Divide Statement
Compute Statement
Exponentiation

Symbol Evaluation

String Statement

Unstring Statement

Inspect Statement

TABLES AND DATA SEARCHES

Referencing Table Elements

Multi-Dimensional Tables

Searching Tables

Binary Searches

SUBROUTINES

Writing a Subroutine

Executing a Subroutine

VSAM PROCESSING

File Definition

Opening VSAM Files

Indexed Read

Sequential Read

Rewriting Records

Deleting Records

Positioning Within a File

SORT PROCESSING

Sort Statement

Sort Procedures

Sort In / Sort Out Programs

Input Procedure / Sort Out Programs

Sort In / Output Procedure Programs

Input Procedure / Output Procedure Programs

Course Format

Practical sessions make up a large part of the course, allowing delegates to demonstrate and reinforce the lectures given. During these sessions the delegate will gain experience of writing and testing different types of COBOL programs using the various COBOL verbs available.

Examples are used extensively, ranging from simple code snippets to full applications with complete ‘real world’ functionality. These are supplied at the start of the course and it is encouraged that the delegates execute and ‘experiment’ with these under the instructor’s guidance as they are introduced.

These examples are available to take away, along with the delegate’s own work.

The comprehensive Student Guide supplied is fully indexed serving as a useful reference tool long after the course has finished. Delegates will also be able to access a free help-line with technical questions relating to topics covered on the course.

For further details and booking enquiries, telephone: 01275 859666 or visit:: www.casetraining.co.uk

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Contact Case Training