*4.17 (Days of a month) Write a program that prompts the user to enter a year and the
first three letters of a month name (with the first letter in uppercase) and displays
the number of days in the month. Here is a sample run:
Enter a year: 2001
Enter a month: Jan
Jan 2001 has 31 days
Enter a year: 2016
Enter a month: Feb
Feb 2016 has 29 days
Enter a year: 2001
Enter a month: Jan
Jan 2001 has 31 days
Enter a year: 2016
Enter a month: Feb
Feb 2016 has 29 days
import java.util.Scanner; public class ProgrammingEX4_17 { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.print("Enter a year:"); int year = input.nextInt(); System.out.print("Enter a month:"); String month = input.next(); int days = 0; switch (month) { case "Feb": if ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0)) { days = 29; break; } days = 28; break; case "Apr": case "Jun": case "Sep": case "Nov": days = 30; break; case "Jan": case "Mar": case "May": case "Jul": case "Aug": case "Oct": case "Dec": days = 31; break; default: System.out.println("Invalid month."); System.exit(0); } System.out.println(month + " " + year + " has " + days + " days"); } }
No comments :
Post a Comment