PL/I Shopping Cart - Pli Typing CST Test
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PL/I Shopping Cart — Pli Code
Adds and removes items in a shopping cart with total cost.
DECLARE cart CHAR(20) DIM(10);
DECLARE prices FIXED BINARY(31) DIM(10);
DECLARE count FIXED BINARY(31) INITIAL(0);
ADDITEM: PROCEDURE(item, price);
cart(count) = item;
prices(count) = price;
count = count + 1;
END ADDITEM;
REMOVEITEM: PROCEDURE(idx);
DO i = idx TO count-2;
cart(i) = cart(i+1);
prices(i) = prices(i+1);
END;
count = count -1;
END REMOVEITEM;
CALL ADDITEM('Apple',2);
CALL ADDITEM('Banana',3);
CALL REMOVEITEM(0);Pli Language Guide
PLI (Programming Language One) is a procedural, compiled language designed for business and systems programming, particularly for large-scale data processing and legacy IBM mainframe environments.
Primary Use Cases
- ▸Large-scale batch processing
- ▸Business and financial systems
- ▸Mainframe application maintenance
- ▸Data processing for enterprises
- ▸Legacy system integration and updates
Notable Features
- ▸Structured programming constructs
- ▸Strong support for record and array data types
- ▸Compiled for IBM mainframes
- ▸Integrated input/output for batch processing
- ▸Efficient memory and file handling
Origin & Creator
Developed by IBM in the 1960s, primarily as a high-level language for business and systems applications on mainframe computers.
Industrial Note
PLI remains in use in legacy IBM mainframe environments for maintaining mission-critical financial and administrative systems.