public class Date {

	// State of a Date object
	int day;
	int month; // between  1 and 12
	int year;  // from January 1st 1900 on

	// global variable
	static String[] monthInEnglish = {
		"January", "February", "March", "April",
		"May", "June", "July", "August",
		"September", "October", "November", "December"
	};

	//constructor
	public Date(int y, int m, int d) {
		//initialize constructor here
		// code here
		checkData();
	}
	
	//constructor
	public Date(int m, int d) {
		// code here
	}

	// constructor
	public Date(int d) {
		// code here
	}

	//default constructor
	public Date() {
		// code here
	}

	//Check whether the date is correct
	public void checkData() {
		// array containing the number of days of each month
		int[] daysOfMonth = getDaysOfMonth();
		
		// Use the above array to check whether the date is correct
		// Print an error message if the date is incorrect 
		
		// code here
	}

	// returns true if the year is leap
	public boolean isLeapYear(int year) {
		// code here
	}

	//string representation of date
	public String toString() {
		// code here
	}

	//returns # days of a given month
	public int[] getDaysOfMonth() {
		int[] daysOfMonth = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
		if (isLeapYear(year))
			daysOfMonth[1] = 29;

		return daysOfMonth;
	}

	//compares this date with other date
	public boolean precede(Date otherDate) {
		// code here
	}

	//
	public int daysPassedSince1Jan1900() {
		// code here
	}

	public int daysPassedThisYear() {
		// code here
	}
}