Introduction to COBOL Programming

Kick off your COBOL programming journey by writing your first COBOL program. This course covers the basics of COBOL syntax, the structure of a COBOL program, simple data definitions, and displaying output, preparing you for more advanced topics.

Lessons and practices

Lesson 1: Hello World - Your First Program and its Structure. Simple Display Statement

Change the Greeting Message

Fix the COBOL Greeting Message

Fix the COBOL Greeting

Filling in the Blanks

Complete the COBOL Program

Lesson 2: COBOL Basics - Data Division and Simple Variables. More on Display

Change the Support Agent's Name

Fix the Display Bug

Fix the Customer Name Bug

Define and Display Bank Details

Defining and Displaying COBOL Variables

Lesson 3: Introduction to Numbers in COBOL

Adjust Length of Numeric Variables

Fix the Account Number Bug

Fix the Account Number Declaration

Adding Numeric Variables in COBOL

Working with Numeric Variables in COBOL

Lesson 4: Introduction to Simple Arithmetic Operations

Change the Values, See the Result

Fix Arithmetic Operations in COBOL

Arithmetic Operations in COBOL

Write COBOL Arithmetic Operations

Lesson 5: More Arithmetic Operations - Multiplication and Division. Remainder in Division

Change Arithmetic Operations in COBOL

Fix Arithmetic Operations in COBOL

Fix the Division Error

Complete the Arithmetic Operations

Write COBOL Arithmetic Operations

Lesson 6: Variable Naming Conventions - Best Practices

Update Customer Information

Fix the Variable Names

Modify Customer Details

Fill in Missing Customer Details

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Practice is how you turn knowledge into actual skills.