Math.ceil,Math.round,Math.floor区别

2024-10-09 10:53:42 浏览数 (3)

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

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