对于正数,`floor()`会向下取整,而对于负数,它会向下减少。示例如下: ```java double floorPositive = (int) Math.floor(value); // floorPositive will be 13 value = -13.2; int floorNegative = (int) ...
是minno的博客将long型转化为int型,这里的long型是基础类型:long a = 10; int b = (int)a;二.将Long型转换为int 型的,这里的Long型是包装类型:Long a = 10; int b=a.intValue();三.将int型转化为long型,这里的int型是基础...