기술 Learn - COBOL

✴ COBOL (Common Business-Oriented Language) is a high-level programming language for business applications. It was the first popular language designed to be operating system agnostic and is still in use in many financial and business applications today.✴
► This App is designed for software programmers who would like to learn the basics of COBOL. It provides enough understanding on COBOL programming language from where you can take yourself to a higher level of expertise.✦
【Topics Covered in this App are Listed Below】
⇢ COBOL – Overview
⇢ Environment Setup
⇢ Program Structure
⇢ Basic Syntax
⇢ Data Types
⇢ Basic Verbs
⇢ Data Layout
⇢ Condition Statements
⇢ Loop Statements
⇢ String Handling
⇢ Table Processing
⇢ File Handling
⇢ File Organization
⇢ File Access Mode
⇢ File Handling Verbs
⇢ Subroutines
⇢ Internal Sort
⇢ Database Interface
⇢ COBOL basics
⇢ How widely used is COBOL?
⇢ Surprised by COBOL's success?
⇢ Some characteristics that contribute to COBOL's success
⇢ COBOL Coding Rules
⇢ The structure of COBOL programs
⇢ The Four Divisions
⇢ Categories of COBOL data
⇢ Declaring Data-Items in COBOL
⇢ Group and Elementary data-items
⇢ Basic User Input and Output
⇢ Arithmetic in COBOL
⇢ Selection using IF
⇢ The EVALUATE verb
⇢ COBOL print files
⇢ FD entries for variable length records
⇢ Why use tables
⇢ Using a County Tax table
⇢ Displaying the County Name
⇢ Using one table to index into another
⇢ Using the INSPECT
⇢ The counting INSPECT
⇢ The replacing INSPECT
⇢ The combined INSPECT
⇢ How the STRING works
⇢ How the UNSTRING works
⇢ Reference Modification
⇢ Intrinsic Functions
⇢ String Functions
⇢ Date Functions
⇢ Date Functions