Use Array in RPG IV - Rpg-iv-as400 Typing CST Test
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Use Array in RPG IV — Rpg-iv-as400 Code
Store and display multiple department codes using an array.
DCL-S DeptCodes CHAR(5) DIM(5) INZ;
DeptCodes(1) = 'HR';
DeptCodes(2) = 'IT';
DeptCodes(3) = 'FIN';
FOR i = 1 TO 3;
DSPLY DeptCodes(i);
ENDFOR;
*INLR = *ON;Rpg-iv-as400 Language Guide
RPG IV (also known as RPGLE) is a high-level programming language for IBM i (AS/400) systems, designed for business applications, supporting structured programming, modern free-form syntax, and integration with DB2 databases.
Primary Use Cases
- ▸Developing core business applications on IBM i
- ▸Transaction processing and batch jobs
- ▸Integration with DB2 databases
- ▸Generating reports and financial calculations
- ▸Maintaining legacy ERP and order processing systems
Notable Features
- ▸Free-form and fixed-form syntax support
- ▸Deep integration with DB2 for IBM i
- ▸Service programs for modular code reuse
- ▸Built-in support for files, arrays, and data structures
- ▸Batch and interactive program support
Origin & Creator
IBM developed RPG in the 1960s for business applications. RPG IV, released in the 1990s, modernized the language with free-form syntax, modularization, and integration with DB2.
Industrial Note
RPG IV is highly specialized for IBM i / AS/400 environments, primarily used in banking, retail, and enterprise ERP systems where reliability, legacy integration, and transaction processing are essential.