Java Math BigInteger.gcd() 方法 Java Math BigInteger.floatValue() 方法 Java Math BigInteger.getLowestSetBit() 方法 Java Math BigInteger.gcd() 方法 package com.codingdict; import java.math.*; public class BigIntegerDemo { public static void main(String[] args) { // create 3 BigInteger objects BigInteger bi1, bi2, bi3; // assign values to bi1, bi2 bi1 = new BigInteger("18"); bi2 = new BigInteger("24"); // assign gcd of bi1, bi2 to bi3 bi3 = bi1.gcd(bi2); String str = "GCD of " + bi1 + " and " + bi2 + " is " +bi3; // print bi3 value System.out.println( str ); } } Java Math BigInteger.floatValue() 方法 Java Math BigInteger.getLowestSetBit() 方法