Defining Classes I - Java - page 180

Display 4.4 Methods with Parameters (part 1 of 2)

1 import java.util.Scanner;

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

15 switch (monthNumber)

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 .

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";

27 case 6:

This is the file DateThirdTry.java .

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";