/* The source of the river Suså is in Gøgsmose.  
 * Suså has Kongskilde Bæk, Sorø Å and Ringsted Å as tributaries. 
 * The source of Kongskilde Bæk is in Kongskilden. 
 * The source of Sorø Å is in Sorø Sø. 
 * The source of Ringsted Å is in Gyrstinge Sø.  
 * Ringsted Å has Vigerdalså as its sole tributary, 
 * whose source, in turn, is Valsølille Sø. 
 * We will assign arbitrary length to rives, 
 * and arbitrary liters per hour to sources
 */
class WaterWayTest {
	public static void main(String[] args){
		WaterWay suså = new WaterWay("Suså", 65.4
			, new WaterSource("Gøgsmose", 1200) );
		WaterWay kkbæk =  new WaterWay("Kongskilde bæk", 5.3
			, new WaterSource("Kongskilde", 680) );
		WaterWay sorøå = new WaterWay("Sorø å", 18.3
			, new WaterSource("Sorø sø", 2100) );
		WaterWay ringå = new WaterWay("Ringsted å", 22.6
			, new WaterSource("Gyrstinge Sø", 3500) );
		WaterWay vigerdalså = new WaterWay("Vigerdalså", 7.8
			, new WaterSource("Valsølille sø", 350) );
		suså.addTributary(kkbæk);
		suså.addTributary(sorøå);
		suså.addTributary(ringå);
		ringå.addTributary(vigerdalså);
		
		System.out.println("Total length of suså riversystem is: " 
			+ suså.totalLength() + " km."); // 119.4
			
		System.out.println("Total water flow of suså riversystem is: "
			+ WaterWay.totalLitersPrHour(suså) + " l/h"); // 7830
	}
}