Java Math.floor() is a static method in the Java Math class that returns the largest integer less than or equal to the given number. It is commonly used in applications requiring downward rounding, such as in financial calculations, resource allocation, or grid-based systems. Introduced in Java 1995 with Java 1.0, floor() is essential for rounding down floating-point values.

https://docs.oracle.com/javase/8/docs/api/java/lang/Math.html