package fr.umlv.json;

import java.util.Objects;

public class Alien {
	private final int age;
  private final String planet;

  public Alien(int age, String planet) {
    if (age <= 0) {
      throw new IllegalArgumentException("Too young...");
    }
    this.planet = Objects.requireNonNull(planet);
    this.age = age;
  }

  public int getAge() {
    return age;
  }
  
  public String getPlanet() {
    return planet;
  }
}