摘要: 1、Math类的方法: public static int abs(int a); //绝对值 public static double ceil(double a) //向上取整 public static double floor(double a) //向下取整 public static i 阅读全文
posted @ 2023-03-16 15:18 烤盐咸鱼 阅读(57) 评论(0) 推荐(0) 编辑