Articles

How to use BigDecimal in Java accurately

Summary

  • Introduction
  • Why double is not accurate
  • How does BigDecimal ensure accuracy
  • How to create BigDecimal properly
  • What is wrong with BigDecimal (double)
  • Creation using BigDecimal (String)
  • Conclusion
  • References

Want to know why float and double data types should never be used for floating-point calculations? Check out this quick overview to learn more about using BigDecimal to perform precise operations.

Introduction

Most enterprise applications operate floating-point values.

Fintech, e-commerce, finance, and other applications deal with floating-point operations daily and need complete precision control for all calculations.

The developers need to know what data type of Java is appropriate for representing floating-point values, especially monetary values.

Let’s try to figure it out.

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