Assignment2

package assignment;

//Mitchell Palermo
//06.11.2019
/*this program asks the user for a compass bearing between 0 and 359, the program will then output
the direction the bearing is facing as:
North, North/East, East, South/East, South, South/West, West, or North/West
*/


//this imports the Scanner from the java library
import java.util.Scanner;

public class CompassAssignment
{

	public static void main(String[] args)
	{
		//--------------Variable Declaration----------------------
		//this declares the scanner reference variable as "keyboard"
		Scanner keyboard =  new Scanner(System.in);
		//declaration of an input variable used to store the users input bearing
		int input;


		//-------------------Input--------------------------------
		//this asks the user to enter an input bearing between 0 and 359
		System.out.print("Please enter a bearing between 0 and 359: ");
		//this collects the user input and stores it in the "input" integer type variable
		input = keyboard.nextInt();



		//-------------------Processing & Output-------------------

		//Primary if statement
		//this if statement sorts invalid bearings from valid ones
		if (input >= 0 && input < 360)
		{

			//Secondary if statement
			//valid input bearings are then sorted producing output displaying its
			//correct directional equivalent
			if (input >= 0 && input < 45 )
			{
				//this bearing is North
				System.out.println("A bearing of "+input+" means you are heading North.");
			}
			else if (input == 45)
			{
				//this bearing is precisely N/E
				System.out.println("A bearing of "+input+" means you are heading North/East.");
			}
			else if (input > 45 && input < 135)
			{
				//this bearing is East
				System.out.println("A bearing of "+input+" means you are heading East.");
			}
			else if (input == 135)
			{
				//this bearing is precisely S/E
				System.out.println("A bearing of "+input+" means you are heading South/East.");
			}
			else if (input > 135 && input < 225)
			{
				//this bearing is South
				System.out.println("A bearing of "+input+" means you are heading South.");
			}
			else if (input == 225)
			{
				//this bearing is precisely S/W
				System.out.println("A bearing of "+input+" means you are heading South/West.");
			}
			else if (input > 225 && input < 315)
			{
				//this bearing is West
				System.out.println("A bearing of "+input+" means you are heading West.");
			}
			else if (input == 315)
			{
				//this bearing is precisely N/W
				System.out.println("A bearing of "+input+" means you are heading North/West.");
			}
			else
			{
				//if a bearing is to fall under the else of this nested if statement the bearing must be
				// 315 < input < 360
				System.out.println("A bearing of "+input+" means you are heading North.");
			}


		}
	else
		{
		// invalid bearings will produce an output of this error message prompting the user to
		//restart the program and enter a valid bearing
			System.out.println("That is not a valid bearing. Please restart the program and enter "
					+ "a bearing between 0 and 359 degrees.");
		}

		//this closes the keyboard scanner so it can no longer accept input
		keyboard.close();
	}

}