//In this program i build a type of an object called "Date"
public class Date {

	private int dd;
	private int mo;
	private int yy;

//These are the creating actions
//This is a creating action for the "Date" object that gets parameters (day, month, year)

	public Date(int dd,int mo,int yy)
	{
		this.dd = dd;
		this.mo = mo;
		this.yy = yy;
	}

//This is a creating action for the "Date" object that doesn't get parameters
//it automatically declares the year to be 1900, the month January and the day the first

	public Date()
	{
		this.dd = 1;
		this.mo = 1;
		this.yy = 1900;
	}

//This is a copying building action, that gets another date as a parameter
//it builds another object from the type of date with the same parameters(day,month,year)

	public Date(Date d1)
	{
		this.dd = d1.getDay();
		this.yy = d1.getYear();
		this.mo = d1.getMonth();
	}

//These are the setting actions
//This is a setting operation that determines the day

	public void setDay(int nd)
	{
		this.dd = nd;
	}
	//This is a setting operation that determines the month
	public void setMonth(int nm)
	{
		this.mo =nm;
	}
	//This is a setting operation that determines the year
	public void setYear(int ny)
	{
		this.yy =ny;
	}
	/*
	These are the returning operations
	This is a returning operation that returns the day
	 */
	public int getDay()
	{return this.dd;
	}
	//This is a returning operation that returns the month
	public int getMonth()
	{return this.mo;
	}
	//This is a returning operation that returns the year
	public int getYear()
	{return this.yy;
	}
	//This  is a command that allows the programmer to print the values of the date object
	public String toString()
	{return("Day: "+this.dd+" Month: "+this.mo+" Year: "+this.yy);
	}
	/*
	This is a calcualting operation that returns the number of days passed from another date that is
	given as a parameter
	 */
	public int difference(Date d2)
	{return((d2.getYear()-this.yy)*360+(d2.getMonth()-this.mo)*30+d2.getDay()-this.dd);
	}
	/*
	This is a calcualting operation that returns if a date is the same date
	as the one given as a parameter
	 */
	public boolean equal(Date d3)
	{boolean equal=true;
	if(this.dd==d3.getDay()&&this.mo==d3.getMonth()&&this.yy==d3.getYear())
	{return equal;
	}
	else
	{equal = false;
	return equal;
	}
	}
	/*
	This is a calculating operation that returns if a date given as a parameter
	is after an original date
	 */
	public boolean isAfter(Date d4)
	{boolean after=false;
	if(this.yy<d4.getYear())
		after = true;
	if(this.yy==d4.getYear())
	{if(d4.getMonth()>this.mo)
		after = true;
	if(d4.getMonth()==this.mo)
	{if(d4.getDay()>this.dd)
		after = true;
	if(d4.getDay()==this.dd)
		after = false;
	}
	}
	return after;
	}

	}

}