1 package com.helen.test;
2
3 import java.math.BigDecimal;
4
5 public class TestBigDecimal {
6
7 /**
8 * @param args
9 */
10 public static void main(String[] args) {
11
12 double d1=0.31125;
13 double d2=3;
14 System.out.println(d1*d2); //0.9337500000000001
15
16 float f1=0.31125f;
17 float f2=3;
18 System.out.println(f1*f2); //0.93375003
19
20 BigDecimal b1=new BigDecimal(0.31125+"");
21 BigDecimal b2=new BigDecimal(3);
22 BigDecimal b3= b1.multiply(b2);
23
24 System.out.println(b3); //0.93375
25
26
27
28
29 }
30
31 }
