public StringBuffer printInterfaces(Class<?> cls, StringBuffer message){
		if(cls.getInterfaces() != null){
			Class[] iArray = cls.getInterfaces();
			
			for(int i = 0; i < iArray.length; i++){
				if(iArray[0] != null && i == 0){
					message.append(" implements ");
				}
				message.append(iArray[i].getSimpleName());
				if(i != iArray.length-1){
					message.append(", ");
				}
			}
			
		}
		return message;
	}