public class MyDate {
`int year;`
`int month;`
`int day;`
`MyDate() {`
`year = 2000;`
`month = 1;`
`day = 1;`
`}`
`MyDate(int year, int month, int day) {`
`this.year = year;`
`this.month = month;`
[`this.day`](https://this.day) `= day;`
`}`
`public int getYear() {`
`return year;`
`}`
`public int getMonth() {`
`return month;`
`}`
`public int getDay() {`
`return day;`
`}`
`public boolean isLeapYear() {`
`if((year%400==0 || year%4==0) && (year % 100 != 0)) {`
`return true;`
`} else {`
`return false;`
`}`
`}`
`public boolean isLeapYear(int givenYear) {`
`if((givenYear%400==0 || givenYear%4==0) && (givenYear % 100 != 0)) {`
`return true;`
`} else {`
`return false;`
`}`
`}`
`public int daysTo(MyDate other) {`
`int[] months = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};`
`int[] monthsLeap = {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};`
`int yearsToDaysThis = 0;`
`for (int i = 0; i<=this.getYear(); i++) {`
`if (isLeapYear(i)) {`
yearsToDaysThis += 366;
`} else {`
yearsToDaysThis += 365;
`}`
`}`
`int monthToDaysThis = 0;`
`if (isLeapYear(this.getYear())) {`
`for (int i = 0; i<=this.getMonth(); i++) {`
monthToDaysThis += monthsLeap[i];
`}`
`} else {`
`for (int i = 0; i<=this.getMonth(); i++) {`
monthToDaysThis += months[i];
`}`
`}`
`int totalDaysThis = yearsToDaysThis + monthToDaysThis +` [`this.day`](https://this.day)`;`
`int yearsToDaysOther = 0;`
`for (int i = 0; i<=other.getYear(); i++) {`
`if (isLeapYear(i)) {`
yearsToDaysOther += 366;
`} else {`
yearsToDaysOther += 365;
`}`
`}`
`int monthToDaysOther = 0;`
`if (isLeapYear(other.getYear())) {`
`for (int i = 0; i<=other.getMonth(); i++) {`
monthToDaysOther += monthsLeap[i];
`}`
`} else {`
`for (int i = 0; i<=other.getMonth(); i++) {`
monthToDaysOther += months[i];
`}`
`}`
`int totalDaysOther = yearsToDaysOther + monthToDaysOther +` [`other.day`](https://other.day)`;`
`return (Math.abs(totalDaysThis-totalDaysOther));`
`}`
`public static void main(String[] args) {`
`MyDate date1 = new MyDate(2020,3,7);`
`MyDate date2 = new MyDate(2020,4,1);`
`System.out.println(date1.daysTo(date2));`
// System.out.println(date1.year + "/" + date1.month + "/" + date1.day);
// date1.addDays(21);
// System.out.println(date1.year + "/" + date1.month + "/" + date1.day);
// date1.addWeeks(3);
// System.out.println(date1.year + "/" + date1.month + "/" + date1.day);
`}`
}