将数据与操作打包成一个单位,这种OOP的特性称为封装。 Packaging data and operations into a single unit is a feature of OOP called encapsulation.
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下面的语句 Write DataFile, Number 会把一个Number的值传到一个内部名为DataFile的文件中(Number is passed to a file named DataFile.)。
如果知道100个元素被分配到二维数组A中,则A的两个下标都必须是从0到9,即A必须是10行和10列。 If you know that 100 elements are assigned to a two-dimensional array A, the two subscripts of A must be from 0 to 9, that is, A must be 10 rows and