COBOL Examples

Summary -

This page describes audiences, objectives, prerequisites, and the topics covered as part of the tutorial.

Introduction -

COBOL examples cover a range of examples related to COBOL programming language, including syntax, file handling, data manipulation, program structure, file organization, record processing, subroutine calls, data division elements, error handling, and other topics.

Objective and Audiences -

We have covered the examples for the complete list of topics that almost covers 99% of COBOL language programming. These examples aim to improve the candidate's your technical expertise and experience, as well as their problem-solving abilities and also helps to resolve the issues occurred while coding.

COBOL Examples
- Basics
  - Words
  - Reserved Word
  - Variable
  - Literal
  - Constant
  - Figurative Constants
  - Comments
  - Floating Comments
- Hello World Program
- Coding Sheet
  - Continuation Line
  - Enable Debugging Lines
  - Disable Debugging Lines
- Divisions
  - Special Names
- Data Item Declaration
  - 66 Level Number - Renaming Entire Group
  - 66 Level Number - Renaming Elementary Variables
  - 77 Level Number
  - 88 Level Number
  - 88 Level Number - Single Value
  - 88 Level Number - Multiple Values
  - 88 Level Number - Range of Values
  - Data Item
  - Simple Insertion Editing
  - Special Insertion Editing
  - Fixed Insertion Editing
  - Floating Insertion Editing
  - Zero Supression and Replacement Editing
  - Value Clause
  - Blank When Zero Clause
  - Justified Clause
- Data References
  - Variable References
  - Condition Names References
  - Paragraph Names References
  - Copybook References
- Data Types
  - Alphabetic Data Type
  - Alphabetic Data Type with Justified
  - Alphanumeric Data Type
  - Alphanumeric Data Type with Justified
  - Numeric Data Type
  - Real Decimal Point Data Type
  - Assumed Decimal Point Data Type
  - Sign Data Type
  - Sign Clause
- Input Output Statements
  - ACCEPT User Input
  - ACCEPT System Date
  - ACCEPT System Day
  - ACCEPT System TIME
  - Simple DISPLAY
  - DISPLAY Multiple Variables
  - DISPLAY String and Variable
  - DISPLAY with No Advancing
- Data Movement Statements
  - Initialize Statement
  - Simple Move
  - Group Move
  - Move Corresponding
  - Move Reference Modification
- String Handling Statements
  - String Statement
  - Unstring Statement
  - Inspect Tallying
  - Inspect Replacing
  - Inspect Tallying and Replacing
  - Inspect Converting
- Conditional Statements
  - Simple IF
  - If..Else
  - Nested If
  - Nested If..Else
  - Simple Evaluate
  - Evaluate True
  - Evaluate THRU
  - Evaluate using Multiple When Conditions
  - Evaluate with Multiple Conditions
  - Condition Names
  - Condition Names - Single Value
  - Condition Names - Multiple Value
  - Condition Names - Range of Values
  - Continue Statement
  - Next Sentence
- Looping Statements
  - Inine Perform
  - Outline Perform
  - Perform Through
  - Inline Perform Times
  - Outline Perform Times
  - Inline Perform Until
  - Outline Perform Until
  - Inline Perform with Test Before Until
  - Outline Perform with Test Before Until
  - Inline Perform with Test After Until
  - Outline Perform with Test After Until
  - Inline Perform Varying
  - Outline Perform Varying
- Arithmetic Statements
  - Simple ADD
  - ADD Rounded
  - ADD GIVING
  - ADD CORRESPONDING
  - ADD ON SIZE ERROR
  - Simple SUBTRACT
  - Subtract Rounded
  - Subtract with Giving
  - Subtract with Corresponding
  - Subtract On Size Error
  - Simple MULTIPLY
  - Multiply Rounded
  - MULTIPLY with Giving
  - MULTIPLY On Size Error
  - Simple DIVIDE
  - DIVIDE Into
  - DIVIDE By
  - DIVIDE Giving
  - DIVIDE Rounded
  - DIVIDE Giving and Remainder
  - DIVIDE On Size Error
  - Simple Compute
  - Compute Rounded
  - Compute On Size Error
- Table Processing
  - Array
  - OCCURS Clause
  - Single Dimension Array
  - Two Dimensional Array
  - Three Dimensional Array
  - Fixed length Tables
  - Variable length Tables
  - Array Index
  - Single Dimension Array with Index
  - Two Dimensional Array with Index
  - Three Dimensional Array with Index
  - ARRAY Subscript
  - Single Dimension Array with Subscript
  - Two Dimensional Array with Subscript
  - Three Dimensional Array with Subscript
  - Search
  - Search All
- Memory Management
  - Redefines
  - Redefining Variable with Same Length
  - Redefining Variable with Different Length
  - RENAMES Clause
  - Renaming Entire Group
  - Renaming Elementary Variables
  - SYNCHRONIZED Clause
  - DISPLAY Computation
  - Computation
  - COMP-1
  - COMP-2
  - COMP-3
- File Declarations
  - Sequential File Declaration
  - Indexed File Declaration
  - Relative File Declaration
- File Access Modes
  - File INPUT Mode
  - File OUTPUT Mode
  - File I-O Mode
  - File Extend Mode
- File Processing
  - File READ
  - File WRITE
  - File REWRITE
  - File DELETE
  - File START
  - File READ NEXT
  - File Status
- File Processing
  - Reading Fixed Length PS File Sequentially
  - Updating a Record in Fixed Length PS File
  - Deleting Record from Fixed Length PS File
  - Write Record into Fixed Length PS File
  - Reading Variable Length PS File Sequentially
  - Updating a Record in Variable Length PS File
  - Deleting Record from Variable Length PS File
  - Write Record into Variable Length PS File
  - Reading Fixed Length Indexed File Sequentially
  - Reading Fixed Length Indexed File Randomly
  - Reading Fixed Length Indexed File Dynamically
  - Fixed Length Indexed File Browse
  - Updating a Record in Fixed Length Indexed File
  - Deleting Record from Fixed Length Indexed File
  - Write Record into Fixed Length Indexed File
  - Reading Variable Length Indexed File Sequentially
  - Reading Variable Length Indexed File Randomly
  - Reading Variable Length Indexed File Dynamically
  - Variable Length Indexed File Browse
  - Updating a Record in Variable Length Indexed File
  - Deleting Record from Variable Length Indexed File
  - Write Record into Variable Length Indexed File
  - Reading Fixed-length Relative File Sequentially
- Internal Sorting
  - Sort
  - Merge
  - Release
  - Return
- Program Communication Statements
  - Call Statement
  - Static CALL
  - Dynamic CALL
  - Call Using Parameters
  - CALL With Returning
  - CALL Using by Reference
  - CALL Using by Value
  - Cancel Statement
  - Receiving data from JCL PARM
  - STOP RUN
  - EXIT Program
  - GOBACK
  - Unconditional GO TO
  - Conditional GO TO
  - GO TO with IF
- Subroutines (INLCUDE Stmt)
- Error Handling
  - SIZE ERROR Phrase
- Compiler-directive Statements
  - EXIT Statement
  - SKIP Statement
  - EJECT Statement