ceil、floor、round

最新推荐文章于 2025-06-24 00:03:30 发布

原创最新推荐文章于 2025-06-24 00:03:30 发布 · 171 阅读

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public static void main(String [] args){

    double a = 11.1;
    double b = 11.56;
    double c = - 11.1;
    double d = -11.56;

    System.out.println(Math.round(a));     //11
    System.out.println(Math.round(b));     //12
    System.out.println(Math.round(c));     //-11
    System.out.println(Math.round(d));     //-12
    System.out.println("=======================================");

    System.out.println(Math.floor(a));    //11.0
    System.out.println(Math.floor(b));    //11.0
    System.out.println(Math.floor(c));    //-12.0
    System.out.println(Math.floor(d));    //-12.0
    System.out.println("=======================================");

    System.out.println(Math.ceil(a));     //12.0
    System.out.println(Math.ceil(b));     //12.0
    System.out.println(Math.ceil(c));     //-11.0
    System.out.println(Math.ceil(d));     //-11.0
    System.out.println("=======================================");
}