COBOL Programming Advanced Topics

Mainframe Training Overview

The course is a combination lecture, discussion and hands-on workshop in several COBOL topics.

Write a program to load and read single and multi-dimensional tables.

SORT a sequential file in a COBOL program using both Input and Output procedures.

Write a program to accept data from the PARM field in JCL and to pass data to a subprogram.

Use COBOL Intrinsic Functions such a upper case and Current Date.

Write calls to the Language Environment to access system data.

Debug common abends including the infamous S0C7, S013, S0C1, S0C4 with Abend Aid and / or LE Dump.

Build a series of programs for a "typical" batch job scenario.

Mainframe Training Learning Objectives

As a result of the class, the student will be able to -

  • Access single and multi-dimensional tables
  • Code the SEARCH and SEARCH ALL verbs
  • SORT a file data using the Internal SORT along with input and output procedures
  • Code COBOL Intrinsic Functions to save excessive coding
  • Call to the Language Environment
  • Pass values to a COBOL program via the JCL PARM field
  • Pass information from a COBOL main program to a COBOL sub program
  • Debug common program abends
  • Code additional COBOL Features (e.g. string, unstring)
  • Pass data from one program to another
Mainframe Training Audience

The course is for experienced COBOL programmers who need to become proficient in several "advanced" topics.

Mainframe Training Prerequisites

Six months experience with COBOL and TSO/ISPF is required.

Mainframe Training Course duration

5 - 10 days

Mainframe Training Course outline

Day 1
Course Introduction
1. Access single and multi-dimensional tables
2. Use the SEARCH and SEARCH ALL verbs
3. SORT a file data using the Internal SORT along with input and output procedures

Day 2
4. Pass values to a COBOL program via the JCL PARM field
5. Pass information from a COBOL main program to a COBOL sub program

Day 3
6. Use COBOL Intrinsic Functions to save excessive coding
7. Call to the Language Environment

Day 4
8. Debug common programming problems
9. Solving several common program abends

Day 5
10. Advanced Programming Case Study
  • Edit Program
  • Multi-dimension Tables
Day 6
11. Advanced Programming Case Study (Continued)
  • SORT Program
  • Typical Program Abends
Day 7
12. Advanced Programming Case Study (Continued)
  • Update Program
  • Audit Trail
Day 8
12. Advanced Programming Case Study (Continued)
  • Report Program
  • End of Report Statistics
Day 9 & 10
12. Advanced Programming Case Study (Continued)
  • Intrinsic Functions
  • Calls to the LE Environment

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