public class Property{
  private String name;

  public Property(){
    name = "";
  }

}

public class Property{
  private String name;

  public Property(){
    name = "";
  }

}

public class Property{
  private String name;

  public Property(){
    name = "";
  }

  public String getName(){
    return name;
  }

}

public class Property{
  private String name;

  public Property(){
    name = "";
  }

  public String getName(){
    return name;
  }

  public void setName(String a_name){
    if(a_name.length() == 0){
      throw new IllegalArgumentException(
        "Name cannot be an empty string!");
    }
    this.name = a_name;
  }

}

public class Property{
  private String name;

  public Property(){
    name = "";
  }

  public String getName(){
    return name;
  }

  public void setName(String a_name){
    if(a_name.length() == 0){
      throw new IllegalArgumentException(
        "Name cannot be an empty string!");
    }
    this.name = a_name;
  }

}

public class Property{
  private String name;

  public Property(){
    name = "";
  }

  public String getName(){
    return name;
  }

  public void setName(String a_name){
    if(a_name.length() == 0){
      throw new IllegalArgumentException(
        "Name cannot be an empty string!");
    }
    this.name = a_name;
  }

}

public class Main{
  public static void main(String[] args){
    Property prop = new Property();
    String name = prop.getName();
    System.out.println(name);
    prop.setName("test");
    System.out.println(prop.getName());
  }
}

public class Property{
  private String name;

  public Property(){
    name = "";
  }

  public String getName(){
    return name;
  }

  public void setName(String a_name){
    if(a_name.length() == 0){
      throw new IllegalArgumentException(
        "Name cannot be an empty string!");
    }
    this.name = a_name;
  }

}

public class Main{
  public static void main(String[] args){
    Property prop = new Property();
    String name = prop.getName();
    System.out.println(name);
    prop.setName("test");
    System.out.println(prop.getName());
  }
}

public class Property{
  private String name;

  public Property(){
    name = "";
  }

  public String getName(){
    return name;
  }

  public void setName(String a_name){
    if(a_name.length() == 0){
      throw new IllegalArgumentException(
        "Name cannot be an empty string!");
    }
    this.name = a_name;
  }

}

public class Main{
  public static void main(String[] args){
    Property prop = new Property();
    String name = prop.getName();
    System.out.println(name);
    prop.setName("test");
    System.out.println(prop.getName());
  }
}

public class Property{
  private String name;

  public Property(){
    name = "";
  }

  public String getName(){
    return name;
  }

  public void setName(String a_name){
    if(a_name.length() == 0){
      throw new IllegalArgumentException(
        "Name cannot be an empty string!");
    }
    this.name = a_name;
  }

}

public class Main{
  public static void main(String[] args){
    Property prop = new Property();
    String name = prop.getName();
    System.out.println(name);
    prop.setName("test");
    System.out.println(prop.getName());
  }
}

public class Property{
  private String name;

  public Property(){
    name = "";
  }

  public String getName(){
    return name;
  }

  public void setName(String a_name){
    if(a_name.length() == 0){
      throw new IllegalArgumentException(
        "Name cannot be an empty string!");
    }
    this.name = a_name;
  }

}

public class Main{
  public static void main(String[] args){
    Property prop = new Property();
    String name = prop.getName();
    System.out.println(name);
    prop.setName("test");
    System.out.println(prop.getName());
  }
}

public class Property{
  private String name;

  public Property(){
    name = "";
  }

  public String getName(){
    return name;
  }

  public void setName(String a_name){
    if(a_name.length() == 0){
      throw new IllegalArgumentException(
        "Name cannot be an empty string!");
    }
    this.name = a_name;
  }

}