public class Vehicle{

  private String name;
  public double speed;

  public String getName(){ return this.name; }

  public Vehicle(String name){
    this.name = name;
    this.speed = 1.0;
  }

  public double move(double distance){
    System.out.println("Moving");
    return distance / this.speed;
  }

  public String describe(){
    return "";
  }

}

public class Vehicle{

  private String name;
  public double speed;

  public String getName(){ return this.name; }

  public Vehicle(String name){
    this.name = name;
    this.speed = 1.0;
  }

  public double move(double distance){
    System.out.println("Moving");
    return distance / this.speed;
  }

  public String describe(){
    return "";
  }

}

public class Vehicle{

  private String name;
  public double speed;

  public String getName(){ return this.name; }

  public Vehicle(String name){
    this.name = name;
    this.speed = 1.0;
  }

  public double move(double distance){
    System.out.println("Moving");
    return distance / this.speed;
  }

  public String describe(){
    return "";
  }

}

public class Airplane extends Vehicle{

  private double wingspan;
  private int capacity;

  public Airplane(String name, double wingspan, int capacity){
    this.name = name;
    this.wingspan = wingspan;
    this.capacity = capacity;
  }
}

public class Airplane extends Vehicle{

  private double wingspan;
  private int capacity;

  public Airplane(String name, double wingspan, int capacity){
    this.name = name;
    this.wingspan = wingspan;
    this.capacity = capacity;
  }
}

public class Vehicle{

  private String name;
  public double speed;

  public String getName(){ return this.name; }

  public Vehicle(String name){
    this.name = name;
    this.speed = 1.0;
  }

  public double move(double distance){
    System.out.println("Moving");
    return distance / this.speed;
  }

  public String describe(){
    return "";
  }

}

public class Airplane extends Vehicle{

  private double wingspan;
  private int capacity;

  public Airplane(String name, double wingspan, int capacity){
    this.name = name;
    this.wingspan = wingspan;
    this.capacity = capacity;
  }
}

public class Airplane extends Vehicle{

  private double wingspan;
  private int capacity;

  public Airplane(String name, double wingspan, int capacity){
    super(name);
    this.wingspan = wingspan;
    this.capacity = capacity;
  }
}

public class Airplane extends Vehicle{

  private double wingspan;
  private int capacity;

  public Airplane(String name, double wingspan, int capacity){
    this.wingspan = wingspan;
    super(name);
    this.capacity = capacity;
  }
}

public class Airplane extends Vehicle{

  private double wingspan;
  private int capacity;

  public Airplane(String name, double wingspan, int capacity){
    this.wingspan = wingspan;
    super(name);
    this.capacity = capacity;
  }
}

public class Airplane extends Vehicle{

  private double wingspan;
  private int capacity;

  public Airplane(String name, double wingspan, int capacity){
    super(name);
    this.wingspan = wingspan;
    this.capacity = capacity;
  }
}

public class Airplane extends Vehicle{

  private double wingspan;
  private int capacity;

  public Airplane(String name, double wingspan, int capacity){
    super(name);
    this.wingspan = wingspan;
    this.capacity = capacity;
  }
}

public class Airplane extends Vehicle{

  private double wingspan;
  private int capacity;

  public Airplane(String name, double wingspan, int capacity){
    super(name);
    this.wingspan = wingspan;
    this.capacity = capacity;
  }

  public void landing_gear(boolean set){
    if(set){
      System.out.println("Landing gear down");
    }else{
      System.out.println("Landing gear up");
    }
  }
}

public class Airplane extends Vehicle{

  private double wingspan;
  private int capacity;

  public Airplane(String name, double wingspan, int capacity){
    super(name);
    this.wingspan = wingspan;
    this.capacity = capacity;
  }

  public void landing_gear(boolean set){
    if(set){
      System.out.println("Landing gear down");
    }else{
      System.out.println("Landing gear up");
    }
  }

  @Override
  public double move(double distance){
    this.landing_gear(false);
    System.out.println("Moving");
    this.landing_gear(true);
    return distance / this.speed;
  }
}

public class Airplane extends Vehicle{

  private double wingspan;
  private int capacity;

  public Airplane(String name, double wingspan, int capacity){
    super(name);
    this.wingspan = wingspan;
    this.capacity = capacity;
  }

  public void landing_gear(boolean set){
    if(set){
      System.out.println("Landing gear down");
    }else{
      System.out.println("Landing gear up");
    }
  }

  @Override
  public double move(double distance){
    this.landing_gear(false);
    System.out.println("Moving");
    this.landing_gear(true);
    return distance / this.speed;
  }
}

public class Airplane extends Vehicle{

  private double wingspan;
  private int capacity;

  public Airplane(String name, double wingspan, int capacity){
    super(name);
    this.wingspan = wingspan;
    this.capacity = capacity;
  }

  public void landing_gear(boolean set){
    if(set){
      System.out.println("Landing gear down");
    }else{
      System.out.println("Landing gear up");
    }
  }

  @Override
  public double move(double distance){
    this.landing_gear(false);
    System.out.println("Moving");
    this.landing_gear(true);
    return distance / this.speed;
  }
}

public class Airplane extends Vehicle{

  private double wingspan;
  private int capacity;

  public Airplane(String name, double wingspan, int capacity){
    super(name);
    this.wingspan = wingspan;
    this.capacity = capacity;
  }

  public void landing_gear(boolean set){
    if(set){
      System.out.println("Landing gear down");
    }else{
      System.out.println("Landing gear up");
    }
  }

  @Override
  public double move(double distance){
    this.landing_gear(false);
    System.out.println("Moving");
    this.landing_gear(true);
    return distance / this.speed;
  }

  @Override
  public String describe(){
    return String.format("I am an airplane with a wingspan of
            %f and capacity %d", this.wingspan, this.capacity);
  }
}

public class Airplane extends Vehicle{

  private double wingspan;
  private int capacity;

  public Airplane(String name, double wingspan, int capacity){
    super(name);
    this.wingspan = wingspan;
    this.capacity = capacity;
  }

  public void landing_gear(boolean set){
    if(set){
      System.out.println("Landing gear down");
    }else{
      System.out.println("Landing gear up");
    }
  }

  @Override
  public double move(double distance){
    this.landing_gear(false);
    System.out.println("Moving");
    this.landing_gear(true);
    return distance / this.speed;
  }

  @Override
  public String describe(){
    return String.format("I am an airplane with a wingspan of
            %f and capacity %d", this.wingspan, this.capacity);
  }
}

public class MotorVehicle extends Vehicle{

  public int number_of_wheels;
  public double engine_volume;

  public MotorVehicle(String name){
    super(name);
    this.number_of_wheels = 2;
    this.engine_volume = 125;
  }

  public String honk_horn(){
    return "";
  }
}