Using the Standard Mathematical Functions
Java provides standard mathematical functions through the static methods of the java.lang.Math and java.lang.StrictMath (new in SDK 1.3) classes. These methods support absolute value calculation, trigonometry, exponentiation, min/max determination, rounding, random number generation, and other utilities. The java.lang.Math implementation won't necessarily produce identical results on different platforms. These differences are in the least-significant bits and are unimportant for most applications. However, SDK 1.3 added java.lang.StrictMath. This implementation does not perform as well as java.lang.Math, but its methods are guaranteed to produce platform-independent results.
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