Math.ceil,Math.round,Math.floor区别

Math.ceil,Math.round,Math.floor区别


//向上取整
System.out.println("amt1=" + Math.ceil(71.01));


//四舍五入
System.out.println("amt2=" + Math.round(71.01));


//向下取值,直接舍弃小数点
System.out.println("amt3=" + Math.floor(71.01));

输出结果:
amt1=72.0
amt2=71
amt3=71.0

 

posted on 2023-04-22 11:43  oktokeep  阅读(21)  评论(0编辑  收藏  举报