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Effective programming with COBOL

A 5 day
HANDS ON
training course

COBOL training course description

A hands on training course providing an introduction to COBOL.

Key outcomes from this course

By the end of the course delegates will be able to:
  • Write COBOL programs
  • Debug COBOL programs
  • Examine existing code and determine its function.

COBOL training course details

Who will benefit:
Programmers working with COBOL.
Prerequisites:
None although experience in another high level language would be useful. A 10 day version of this course would be more applicable for those new to programming.
Duration:
5 days

Training approach

This structured training course seeks to build upon workbook learning through the use of group exercises, dynamic discussion and individual tasks in order to deliver an engaging and interactive module that will ensure all candidates are able to transfer their new skills into the workplace.

Overall ratings for this course:

Course review


"Hard concepts were explained very simply."
J. S., Framestore CFC
"Excellent presentation - very good course structure."
B. M., London Internet Exchange

COBOL training course contents

Introduction to COBOL
Compilation, linkage editor. Compile errors, compiler options. Divisions, syntax and format, COBOL character set, program structure.

COBOL statement structure
COBOL words, format of statements.

Divisions
Identification entries, Environment entries, Data division: FD, record descriptions, hierarchy and level numbers, description-string entry.

File and Working-Storage Sections
Literals, figurative constants, redefines clause, data representation, Usage clause, synchronization, sign clause.

Procedure Division
File status codes; Open, Read, Write, Close, Stop, Goback; Accept, display; Move, Justified, data name qualification, reference modification.

Perform statement
Out-of-line, With test ... Until, ... Times, in-line statement; Go to statement.

Program design
Design techniques, design considerations, procedure names, program structure.

Printing
Printed output, Write, advancing option, editing characters; Initialize.

Condition testing
Conditional statements: IF, class, sign and relation conditions, condition-name conditionals, Set, compound conditions, logical operators. Evaluate, Continue.

Arithmetic
Rounded option, On Size Error option, Add, Subtract, Multiply, Divide, Compute.

Non-sequential files
File access modes, Select. Indexed and relative files. Open, Close, creating / reading sequential access files, Write, Read, Invalid key clause, reading, writing / updating Random access files, Rewrite, Delete, Start.

Declarative routines
Clauses.

Subroutines
Call, Using clause - calling program/called program, Linkage Section, returning control.

Table handling
Subscripted tables: One/two/three dimensional tables, Perform, variable length tables. Indexed tables: Set, using an index; Search.

Copy code
Copy, Suppress, Replacing.

Data Manipulation
Inspect, String, Unstring.

COBOL/370
LE/370 and Intrinsic Functions.

Why Choose Us

SNT trainers score an average of over 90% on the three main areas of:
  • Ability to teach
  • Technical knowledge
  • Answering questions
“Excellently presented by a very knowledgeable and enthusiastic trainer.” P.D. General Dynamics

We limit our maximum class size to 8 delegates; often we have less than this. This ensures optimal interactivity between delegates and instructor.
"Excellent course. The small class size was a great benefit…" M.B. IBM

We write our own courses; courseware does not just consist of slides and our slides are diagrams not bullet point text. A typical chapter provides clearly defined objectives with a chapter overview, slides with text underneath, a quiz at the end to check the learning of the students. Hands on exercises are at the end and are used to reinforce the theory.

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