Untitled

import java.util.Scanner;
import java.time.LocalDate;
import java.time.DayOfWeek;

public class DayFinder {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter day: ");
        int day = sc.nextInt();
        System.out.print("Enter month: ");
        int month = sc.nextInt();
        System.out.print("Enter year: ");
        int year = sc.nextInt();

        try {
            LocalDate inputDate = LocalDate.of(year, month, day);
            LocalDate startDate = LocalDate.of(1990, 3, 1);
            LocalDate endDate = LocalDate.of(1991, 2, 28);

            if (inputDate.isBefore(startDate) || inputDate.isAfter(endDate)) {
                System.out.println("Error: Date is out of valid range!");
                System.out.println("Valid range: March 1, 1990 to February 28, 1991");

            } else {

                DayOfWeek dayOfWeek = inputDate.getDayOfWeek();
                System.out.println("Day of the week is: " + dayOfWeek);
            }

        } catch (Exception e) {
            System.out.println("Invalid date entered!");
        }

        sc.close();
    }
}