Java program to enter week number and print day of week
/** 
 * Java program to enter week number and print day of week
 */
import java.util.Scanner;
class Test
{
 public static void main(String[] args)
 {
    int week;
 Scanner p=new Scanner(System.in);
    System.out.print("Enter week number (1-7): ");
    week=p.nextInt();
    if(week == 1)
    {
        System.out.println("Monday");
    }
    else if(week == 2)
    {
        System.out.println("Tuesday");
    }
 else if(week == 3)
    {
        System.out.println("Wednesday");
    }
    else if(week == 4)
    {
        System.out.println("Thursday");
    }
    else if(week == 5)
    {
       System.out.println("Friday");
    }
    else if(week == 6)
    {
        System.out.println("Saturday");
    }
    else if(week == 7)
    {
       System.out.println("Sunday");
    }
    else
    {
        System.out.println("Invalid Input! Please enter week number between 1-7.");
    } 
}   
}
Output:
Enter week number (1-7): 3
Wednesday
Enter week number (1-7): 5
Friday