the first day of 2010 was Friday write a program to input any day number within the month of January and print which day it was also check whether the day number entered is a valid date or not For example,
INPUT:
Enter day number: 20
OUTPUT: Wednesday
INPUT:
Enter day number:30
OUTPUT: Saturday
INPUT:
Enter day number:34
OUTPUT: Invalid day number
Answers
import java.util.*;
public class Jan
{
public static void main(String args[])
{
Scanner sc=new Scanner(System.in);
System.out.println("Please Enter The Day Number");
int Day = sc.nextInt();
if ( Day == 3 || Day == 10 || Day == 17 || Day == 24 || Day == 31);
{
System.out.println("Sunday");
}
else if ( Day == 4 || Day == 12 || Day == 18 || Day == 25 );
{
System.out.println("Monday");
}
else if ( Day == 5 || Day == 12 || Day == 19 || Day == 26 );
{
System.out.println("Tuesday");
}
else if ( Day == 6 || Day == 13 || Day == 20 || Day == 27 );
{
System.out.println("Wednesday");
}
else if ( Day == 7 || Day == 14 || Day == 21 || Day == 28 );
{
System.out.println("Thursday");
}
else if ( Day == 1 || Day == 8 || Day == 15 || Day == 22 );
{
System.out.println("Friday");
}
else if ( Day == 2 || Day == 9 || Day == 16 || Day == 23 || Day == 30);
{
System.out.println("Saturday");
}
else
{
System.out.println("Invalid Day Number");
}
sc.close();
}
}