C#里类的get和set方法编写和调用

using System;
class Date
{
int day;
int month;
int year;
public int Day{
get {
return day;
}
set {
day = value;
}
}

public int Month{
get {
return month;
}
set {
month = value;
}
}

public int Year{
get {
return year;
}
set {
year = value;
}
}

public bool IsLeapYear(int year)
{
return year%4== 0 ? true: false;
}
public void SetDate (int day, int month, int year)
{
this.day = day;
this.month = month;
this.year = year;
}
}

class User
{
public static void Main()
{
Date date = new Date();
date.Day = 27;
date.Month = 6;
date.Year = 2003;
Console.WriteLine
("Date: {0}/{1}/{2}", date.Day, date.Month, date.Year);
}
}