Dates - monthValid =(month>= 1&&(month<=...

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// **************************************************************** // // // Determine whether a 2nd-millenium date entered by the user // is valid // **************************************************************** import java.util.Scanner; public class Dates { public static void main(String[] args) { int month, day, year; //date read in from user int daysInMonth; //number of days in month read in boolean monthValid, yearValid, dayValid; //true if input from user is valid boolean leapYear; //true if user's year is a leap year Scanner scan = new Scanner (; //Get integer month, day, and year from user System.out.print("Enter the month (1-12): "); month = scan.nextInt(); System.out.print("Enter the day (1-31): "); day = scan.nextInt(); System.out.print("Enter the year (1000-1999): "); year = scan.nextInt(); //Check to see if month is valid
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Unformatted text preview: monthValid = (month >= 1) && (month <= 12); //Check to see if year is valid yearValid = (year >= 1000) && (year <= 1999); //Determine whether it's a leap year leapYear = (year%400==0) || (year%4==0 && year%100!=0); //Determine number of days in month if (month==2) if (leapYear) daysInMonth = 29; else daysInMonth = 28; else if (month==4 || month==6 || month==9 || month==11) daysInMonth = 30; else daysInMonth = 31; //Use number of days in month to check to see if day is valid dayValid = (day >= 1) && (day <= daysInMonth); //Determine whether date is valid and print appropriate message if (dayValid && monthValid && yearValid) { System.out.println("Date is valid."); if (leapYear) System.out.println("It's a leap year!"); } else System.out.println("Date is not valid."); } }...
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Dates - monthValid =(month>= 1&&(month<=...

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