java.math

Class BigInteger

java.lang.Object

java.math.BigInteger

public static class BigInteger
extends Object

This class represents immutable integer numbers of arbitrary length. Large numbers are typically used in security applications and therefore BigIntegers offer dedicated functionality like the generation of large prime numbers or the computation of modular inverse.

Since the class was modeled to offer all the functionality as the Integer class does, it provides even methods that operate bitwise on a two's complement representation of large integers. Note however that the implementations favors an internal representation where magnitude and sign are treated separately. Hence such operations are inefficient and should be discouraged. In simple words: Do NOT implement any bit fields based on BigInteger.

See Also:

Serialized Form

Method Summary

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, toString