// UTILITY APPLICATION CLASS
// Frans Coenen
// University of Liverpool
// 18 April 2013
   
class UtilityApp {

    // ------------------- FIELDS ------------------------    
    
    // ------ None ------
    
    // ------------------ METHODS ------------------------  
    
    /** Main method to output menu, allow fopr input of selector and processing of 
	selector. */
    
    public static void main(String[] args) {
    	double x = 6.66666;
    	double y = 7.005;
    	double z = 6.33333;
		
		// Output
		System.out.println("Double " + x + " to two decimal places is " + 
		                                                Utility.twoDecPlaces(x));
		System.out.println("Double " + y + " to two decimal places is " + 
		                                                Utility.twoDecPlaces(y));
		System.out.println("Double " + z + " to two decimal places is " + 
		                                                Utility.twoDecPlaces(z));
		
		// Alternative 1
		System.out.println("Alternative 1");
		System.out.println("Double " + x + " to two decimal places is " + 
		                                                Utility.twoDecPlacesAlt1(x));
		System.out.println("Double " + y + " to two decimal places is " + 
		                                                Utility.twoDecPlacesAlt1(y));
		System.out.println("Double " + z + " to two decimal places is " + 
		                                                Utility.twoDecPlacesAlt1(z));
		
		// Alternative 2
		System.out.println("Alternative 2");
		System.out.print("Double " + x + " to two decimal places is " + 
		                                                Utility.twoDecPlacesAlt2(x));
		System.out.print("Double " + y + " to two decimal places is " + 
		                                                Utility.twoDecPlacesAlt2(y));
		System.out.print("Double " + z + " to two decimal places is " + 
		                                                Utility.twoDecPlacesAlt2(z));
		}	
	}