Defining Classes I - Absolute Java - page 190

Display 4.4 Methods with Parameters (part 1 of 2)

The significance of the modifier private is
discussed later in the subsection “ public
and private Modifiers” in Section 4.2.

1 import java.util.Scanner;

2 public class DateThirdTry
3{
4 private String month;

5 private int day;

6 private int year; //a four digit number.

7 public void setDate( int newMonth, int newDay, int newYear)

8 {

9 month = monthString(newMonth);

10 day = newDay;

11 year = newYear;

12 }

13 public String monthString(int monthNumber)

14 {

The method setDate has an int parameter for the month,
even though the month instance variable is of type String .
The method setDate converts the month int value to a
string with a call to the method monthString .

15 switch (monthNumber)

16 {

17 case 1:

18 return "January";

19 case 2:

20 return "February";

21 case 3:

22 return "March";

23 case 4:

24 return "April";

25 case 5:

26 return "May";

This is the file DateThirdTry.java.

27 case 6:

28 return "June";

29 case 7:

30 return "July";

31 case 8:

32 return "August";

33 case 9:

34 return "September";

35 case 10:

36 return "October";

37 case 11:

38 return "November";

39 case 12:

40 return "December";