docs.oracle.com/en/java/javase/15/docs/api/java.base/java/lang/Math.html Math (Java SE 15 & JDK 15) public final class Math extends Object The class Math contains methods for performing basic numeric operations such as the elementary exponential, logarithm, square root, and trigonometric functions. Unlike some of the numeric methods of class StrictMath, docs.oracle.com java.lang에 속해있는 클래스. 수학에서 ..