BigDecimal 实际测试结果

package com.zzzy;

import java.math.BigDecimal;

public class Test {

        public static void main(String[] args) {
            BigDecimal hundred = new BigDecimal(100);

            BigDecimal bd1 = new BigDecimal(1);
            BigDecimal bd2 = new BigDecimal("2");
            BigDecimal bd3 = new BigDecimal("3.0");
            BigDecimal bd4 = new BigDecimal("4.00");
            BigDecimal bd5 = new BigDecimal("05.0");
            BigDecimal bd6 = new BigDecimal("6.005");
            BigDecimal bd7 = new BigDecimal(6.005);

            System.out.println(bd1);
            System.out.println(bd2);
            System.out.println(bd3);
            System.out.println(bd4);
            System.out.println(bd5);
            System.out.println(bd6);
            System.out.println(bd7);

            System.out.println("-----------------------");

            System.out.println(bd7.compareTo(bd6));

            System.out.println("-----------------------");

            System.out.println(bd1.multiply(hundred));
            System.out.println(bd2.multiply(hundred));
            System.out.println(bd3.multiply(hundred));
            System.out.println(bd4.multiply(hundred));
            System.out.println(bd5.multiply(hundred));
            System.out.println(bd6.multiply(hundred));
            System.out.println(bd7.multiply(hundred));

        }
}

输出结果：

1
2
3.0
4.00
5.0
6.005
6.00499999999999989341858963598497211933135986328125
-----------------------
-1
-----------------------
100
200
300.0
400.00
500.0
600.500
600.49999999999998934185896359849721193313598632812500