关于java浮点型除法怪异的问题

?

?package com.cvicse.util.page;

public class Test {

?public static void main (String args []){
??System.out.println(0.80/100.00);
??System.out.println(0.70/100.00);
??System.out.println(0.60/100.00);
??System.out.println(0.50/100.00);
?}
}
输出结果

0.0080
0.006999999999999999
0.0060
0.0050