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A new package,java.math
, was added to the JDK 1.1 release. The math package contains two new classes:BigInteger
andBigDecimal
.
BigInteger
numbers are immutable arbitrary-precision integers. They provide analogs to all of Java's primitive integer operators and all relevant static methods from thejava.lang.Math
class. Additionally,BigInteger
numbers provide operations for modular arithmetic, GCD calculation, primality testing, prime generation, single-bit manipulation, and a few other odds and ends.
BigDecimal
numbers are immutable, arbitrary-precision signed decimal numbers, suitable for monetary calculations.BigDecimal
numbers provide operations for basic arithmetic, scale manipulation, comparison, format conversion, and hashing.
javadoc
-generated API documentation:
java.math.BigInteger
java.math.BigDecimal
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