lab11/28

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;

public class Display {
public Display() {
}

private String month;
private int day;
private int year;
public String toString() {
return (month + " " + day + ", " + year);
}

public void writeOutput() {
System.out.println(month + " " + day + ", " + year);
}

public boolean equals(Display otherDate) {
return (month.equals(otherDate.month) && day == (otherDate.day) &&
year == (otherDate.year));
}

public boolean precedes(Display otherDate) {
return (year < otherDate.year) ||
(year == otherDate.year && getMonth() < otherDate.getMonth()) ||
(year == otherDate.year && month.equals(otherDate.month)
&& day < otherDate.day);
}

public int getMonth() {
if (month.equals("Jan")) {
return 1;
} else if (month.equals("Feb")) {
return 2;
} else if (month.equals("Mar")) {
return 3;
} else if (month.equals("Apr")) {
return 4;
} else if (month.equals("May")) {
return 5;
} else if (month.equals("Jun")) {
return 6;
} else if (month.equals("Jul")) {
return 7;
} else if (month.equals("Aug")) {
return 8;
} else if (month.equals("Sep")) {
return 9;
} else if (month.equals("Oct")) {
return 10;
} else if (month.equals("Nov")) {
return 11;
} else if (month.equals("Dec")) {
return 12;
} else {
System.out.println("Fateal Error");
System.exit(0);
return 0;
}
}

public String monthString(int monthNmmber) {
switch (monthNmmber) {
case 1:
return "Jan";
case 2:
return "Feb";
case 3:
return "Mar";
case 4:
return "Apr";
case 5:
return "May";
case 6:
return "Jun";
case 7:
return "Jul";
case 8:
return "Aug";
case 9:
return "Sep";
case 10:
return "Oct";
case 11:
return "Nov";
case 12:
return "Dec";
default:
System.out.println("Fateal Error");
System.exit(0);
return "Error";
}

}

public void setDate(int newMonth, int newDay, int newYear) {
month = monthString(newMonth);
day = newDay;
year = newYear;
}
}


class EqualAndToStringDemo {
public static void main(String[] args) {
Display date1 = new Display();
Display date2 = new Display();
date1.setDate(6, 17, 1882);
date2.setDate(6, 17, 1882);
if (date1.equals(date2)) {
System.out.println(date1 + " equals " + date2);
} else {
System.out.println(date1 + " does not equal " + date2);
}
date1.setDate(7, 28, 1750);
if (date1.precedes(date2)) {
System.out.println(date1 + " comes before " + date2);
} else {
System.out.println(date2 + " comes before or is equal to " + date1);
}
}
}