常见对象

package cn.itcast_02; import java.math.BigInteger; import java.util.Arrays; /* * public BigInteger add(BigInteger val):加 * public BigInteger subtract(BigInteger val):减 * public BigInteger multiply(BigInteger val):乘 * public BigInteger divide(BigInteger val):除 * public BigInteger mod(BigInteger val)取余 * public BigInteger[] divideAndRemainder(BingInteger val):返回商和余数的数组 */ public class BigIntegerDemo { public static void main(String[] args) { BigInteger bi1 = new BigInteger("999"); BigInteger bi2 = new BigInteger("50"); //public BigInteger add(BigInteger val):加 System.out.println("add:"+bi1.add(bi2)); //public BigInteger subtract(BigInteger val):减 System.out.println("subtract:"+bi1.subtract(bi2)); //public BigInteger multiply(BigInteger val):乘 System.out.println("multiply:"+bi1.multiply(bi2)); //public BigInteger divide(BigInteger val):除 System.out.println("divide:"+bi1.divide(bi2)); //public BigInteger[] divideAndRemainder(BingInteger val):返回商和余数的数组 BigInteger[] bis = bi1.divideAndRemainder(bi2); System.out.println("divideAndRemainder:"+Arrays.toString(bis)); System.out.println("商:"+bis[0]); System.out.println("余数:"+bis[1]); } }