DateSixthTry

package bbb;
import java.io.*;
public class DateSixthTry {
private String month;
private int day;
private int year;
public void setDate(int monthInt, int day, int year) {
if (dateOK(monthInt, day, year)) {
this.month = monthString(monthInt);
this.day = day;
this.year = year;
} else {
System.out.println("Fatal Error");
System.exit(0);
}
}
public void setDate(int year) {
setDate(1, 1, year);
}
private boolean dateOK(int monthInt, int dayInt, int yearInt) {
return ((monthInt >= 1) &&amp;amp; (monthInt <= 12) &&
(dayInt >= 1) &&amp;amp; (dayInt <= 31) &&
(yearInt >= 1000) &&amp;amp; (yearInt <= 9999));
}
private boolean dateOK(String monthString, int dayInt, int yearInt) {
return (monthOK(monthString) &&
(dayInt >= 1) &&amp;amp; (dayInt <= 31) &&
(yearInt >= 1000) &&amp;amp; (yearInt <= 9999));
}
private boolean monthOK(String month) {
return (month.equals("January") || month.equals("February") ||
month.equals("March") || month.equals("April") ||
month.equals("May") || month.equals("June") ||
month.equals("July") || month.equals("August") ||
month.equals("September") || month.equals("October") ||
month.equals("November") || month.equals("December"));
}
public String monthString(int monthNumber) {
switch (monthNumber) {
case 1:
return "January";
case 2:
return "February";
case 3:
return "March";
case 4:
return "April";
case 5:
return "May";
case 6:
return "June";
case 7:
return "July";
case 8:
return "August";
case 9:
return "September";
case 10:
return "October";
case 11:
return "November";

case 12:
return "December";
default:
System.out.println("Fatal Error");
System.exit(0);
return "Eorror";
}
}
public void writeOutput() {
System.out.println(month + " " + day + ", " + year);
}
public void setMonth(int month) {
if (dateOK(month, day, year)) {
this.month = monthString(month);
} else {
System.out.println("Fatal Error");
System.exit(0);
}
}
public void setMonth(String month) {
if (dateOK(month, day, year)) {
this.month = month;
} else {
System.out.println("Fatal Error");
System.exit(0);
}
}
}