Designing a Tiered Telecom Billing System in Java: Landline, Mobile Roaming, and SMS Pricing
Implementing a telecommunications billing engine requires robust handling of diverse communication channels, distinct geographic routing rules, and precise duration-to-cost conversions. The system must parse heterogeneous input formats, maintain usage logs, and apply modular pricing strategies without coupling account management to specific rat ...
Posted on Tue, 15 Sep 2026 16:34:30 +0000 by livvylove
Working with BigDecimal for Precise Decimal Calculations in Java
Working with BigDecimal for Precise Decimal Calculations in Java
The Java.math.BigDecimal class provides API support for performing arithmetic operations with numbers that have more than 16 significant digits. While double precision floating-point variables can handle up to 16 significant digits, many real-world applications require calculatio ...
Posted on Fri, 15 May 2026 20:35:34 +0000 by rthconsultants