Why can't i do this on Java - Boeing = new Airplane ();? I wasn't done with the code by the way.

Question

class Airplane {
int maxSpeed;
int distance;
int wings;
String captain;
double fuelcapacity;

class Boeing extends Airplane {
protected int flight;
public void Boeing() {
System.out.println("5,4,3,2,1, we are ready to take flight");
}
}
}

class Program {
public static void main(String[] args) {
Boeing = new Airplane();
Boeing a1 = new Airplane();
Boeing a2 = new Airplane();
a1.Boeing();
}
}

Answer 1

/* I have fixed your code you had your brackets {} in the muddled up here we have created a boeing plane that has all the properties of airplane */

public class Airplane {
int maxSpeed;
int distance;
int wings;
String captain;
double fuelcapacity;

}

public class Boeing extends Airplane {
protected int flight;
public void Boeing() {
System.out.println("5,4,3,2,1, we are ready to take flight");

}}

public class Program {
public static void main(String[] args) {

Boeing plane1 = new Boeing();

plane1.Boeing();

plane1.captain = "\nCaptain: David ^_^";

System.out.print(plane1.captain);

}
}

Answer 2

You have to give it a name
It's the same as if you wrote "int = 3", you create an integer equals to 3 but you need to name your variable so that you have a reference of where your value is stored

Answer 3

@Jaren Your welcome ☺

Answer 4

You should do Airplane myPlane = new Boeing()
You can always do a superclass/interface on the left, we are saying here that a Boeing is and Airplane. We can't say that our Airplane is a Boeing (it might be another type of plane).
Further, a child class implicitly calls its parent constructor, so as it stands it doesn't make sense in Java terms.
also a1.Boeing() is meaningless

Answer 5

thanks for helping me out, I appreciate it

Answer 6

I'm still confused, what is look like Airplane Boeing;
or Boeing = Airplane ();

Answer 7

thanks but I still don't Understand the last part. a1.Boeing, how is it meaningless?