public class inexact
{
    public static void main(String s[])
    {
        float total=0.0F;
        for(int i=0;i<10;i++)
            total=total+0.1F;
        if(total!=1.0F)System.out.println("total is "+total);
    }
}
运行结果杂和想象中的不一样啊？？？