interface Dryable<T> {
		boolean dry(T obj);
	}	
 
	interface Washable<T> {
		boolean wash(T obj);
	}	
 
	interface Dryer<T extends Dryable<T>> {
		T dryIt(T obj); // return "dried" obj
	};
 
	interface Washer<T extends Washable<T>> {
		T washIt(T obj); // return "washed" obj
	}    
 
	// TODO: later change, to accept a list of items..
	interface DryerWasher<T extends Washable<T> & Dryable<T>> extends Dryer<T>, Washer<T> {
		boolean cleanIt(T obj);
	}
 
 
	class Apparel implements Washable<Apparel>, Dryable<Apparel> {
		String description;
		Apparel(String description){
			this.description = description;
		}
		public String toString(){
			return description;
		}
		
		public boolean wash(Apparel obj){
			System.out.println("washing apparel:"+obj);
			return true;
		}
		
		public boolean dry(Apparel obj){
			System.out.println("drying apparel:"+obj);
			return true;
		}
	}
 
	class ApparelDryerWasher implements DryerWasher<Apparel> { 
		public boolean cleanIt(Apparel obj) {
			System.out.println("starting washing");
			Apparel w_obj = washIt(obj);
			System.out.println("starting drying");
			Apparel wd_obj = dryIt(w_obj);
			System.out.println("done");
		}
		
		public Apparel dryIt(Apparel obj) {
			return obj.dry(this);
		}
		public Apparel washIt(Apparel obj){
			return obj.wash(this);
		}
	}
		
 
    public static void main(String[] args) {
    	
		ApparelDryerWasher apparelCleaner = new ApparelDryerWasher();     	
		apparelCleaner.cleanIt(new Apparel("Jeans-A"));
		apparelCleaner.cleanIt(new Apparel("Jeans-B"));
    }