Java Math.nextUp() is a static method in the Java Math class that returns the next floating-point number greater than the specified value. It is often used in numerical applications requiring precision adjustments, such as in iterative algorithms or simulations. Introduced in Java 2007 with Java 7, nextUp() provides an efficient way to compute incrementally larger floating-point values.

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