Java Code

Hotel.java

package com.hotel;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * @author desireeSantos
 * 
 */
public class Hotel {

	private String name;
	private int classification;
	private double[] pricesHotel;
	

	
	public Hotel(String name, int classification, Double[] priceHotels) {

		if (isValid(name)) {
			this.name = name;
		} else {
			throw new IllegalArgumentException("Write hotel name. ");
		}

		if (isValid(classification)) {
			this.classification = classification;
		} else {
			throw new IllegalArgumentException("Write classification. ");
		}
		
		if (isValid(priceHotels)) {
			this.classification = classification;
		} else {
			throw new IllegalArgumentException("Write prices reservation. ");
		}

		
	}

	

	private boolean isValid(String value) {

		if ((value != null) && !(value.isEmpty())) {

			return true;
		}

		return false;
	}

	private boolean isValid(int value) {

		String string = String.valueOf(value);
		Pattern parttern = Pattern.compile("^[0-9]");
		Matcher match = parttern.matcher(string);
		while (match.find())
		{

			return false;
		}
		
			return true;
		} 	

	
	private boolean isValid(Double[] priceHotels) {
		if ((priceHotels != null) && !(priceHotels.length == 0)) {

			return true;
		}

		return false;
	}
	
	
	public String name() {
		return name;
	}

	public int classification() {
		return classification;
	}

	
	public void name(String name) {
		this.name = name;
	}

	public void classification(int classification) {
		this.classification = classification;
	}

	public double[] getX() {
		return pricesHotel;
	}

	public void setX(double[] pricesHotel) {
		this.pricesHotel = pricesHotel;
	}



	

}