Spring Full-Stack Practical Cases

Jul 16, 2026 · Fundamentals

Double or BigDecimal for Monetary Fields? Precision and Performance Trade‑offs

The article dissects the long‑standing Java debate over using double versus BigDecimal for money, explaining that the choice hinges on required precision, rounding rules, and performance limits, and walks through floating‑point fundamentals, common pitfalls, and high‑accuracy summation techniques.