lab class definition 2

1. Comment out date.setDate(6, 17, year); by // date.setDate(6, 17, year);

2. At the next line below, add date.readInput();

3. Run the program again. Fix any problems you may encouter along the way.

4. At the last line of your program, add System.out.println(date.month);and see what happens. Why?

由於前面的類別宣告為private的關係,private具有保密的作用,
而不讓user任意查看資料內容,所以程式才會發生錯誤.