Introduction to COBOL Programming : Detailed Course contents
Introduction to COBOL
Development of COBOL.
Program translation: compilation, linkage editor.
Common compilation errors, compiler options.
Divisions of COBOL, COBOL syntax and format, COBOL character set, program source structure.
COBOL statement structure
COBOL words, format of statements.
Identification Division
Entries.
Environment Division
Entries.
Data Division
Entries.
File Section
File description (FD), record descriptions, hierarchy and level numbers, description-string entry.
Working-Storage Section
Literals, figurative constants, redefines clause,
data representation, the Usage clause, synchronization, sign clause.
The Procedure Division
File status codes; file statements: Open, Read, Write, Close, Stop, Goback; Accept and
Display; Move statement, Justified clause, qualification of data names, Reference Modification.
Perform statement
Out-of-line, With test ... Until, ... Times, in-line statement; Go to statement.
Program design
Describes program design techniques, design considerations, procedure names, program structure.
Printing
Printed output, Write statement with the advancing option, editing characters; Initialize statement.
Environment Division clauses
Other entries.
Condition testing
Conditional statements: IF statement, class condition, sign condition, relation condition, condition-name
conditionals (88 levels), Set statement for condition-names, nested If statements, compound conditions, logical
operator - OR with AND.
Evaluate statement, Continue statement.
Arithmetic
Arithmetic statements: Rounded option, On Size Error option, Add statement, Subtract statement,
Multiply statement, Divide statement, Compute statement.
Non-sequential files
File access modes, Select for Indexed files.
Accessing Indexed and Relative files
Open statement, Close statement, creating a file - Sequential access, Write statement, Reading a
file - Sequential access, Read statement, Invalid key clause, Reading a file - Random and Dynamic
access, Writing to a file - Random access, Updating a file - Random access, Rewrite statement,
Delete statement, Start statement, Reading a file - Dynamic access.
Declarative routines
Clauses.
Using Subroutines
Call statement, Using clause - calling program, Using clause - called program, Linkage Section,
returning control from a called program.
Table handling
Subscripted tables:
Single dimensional tables, Perform and single dimensional tables, variable length tables.
Indexed tables:
Set statement, storing an index, using an index, Perform example using a two-dimensional table; Search
statement.
Internal Sort
Sort statement, Input keyword, Output keyword, Release statement, Return statement.
page updated: 27/12/09
© 2010 MKCT Ltd.
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