Complete COBOL programming

Description

COBOL training course description

A hands on training course providing an introduction to COBOL.

What will you learn

• Write COBOL programs
• Debug COBOL programs
• Examine existing code and determine its function.

COBOL training course details

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.