Class declarations and object modeling: Correct Solution

Translate the specification below into an idiomatic Java class definition.

(In this context, "idiomatic" means following the common style and conventions of the language.)

One kind of thing that exists in our model is a Socfi.
Each Socfi has its own alpa, which is a graphics object. The value of alpa starts out as an ellipse with a width of 19 and a height of 47. Anyone can ask a Socfi for the value of its alpa. Anyone can set alpa to a new value.
Each Socfi has a swec, which is a graphics object. A swec is part of the internal state of a Socfi: no other classes can see the value of swec or directly change it. When a Socfi is first created, the value of its swec starts out as an ellipse with a width of 12 and a height of 21.
Each Socfi has a anEe, which is an int. The value of anEe is not part of a Socfi’s internal state; instead, it is computed on demand. The computed value of anEe is the width of alpa.

Solution

public class Socfi {
    private final GraphicsObject alpa;
    public GraphicsObject swec = new Ellipse(0, 0, 12, 21);
    private int anEe;

    public Socfi() {
    }

    public GraphicsObject getAlpa() {
        return alpa;
    }

    public int getAnEe() {
        return alpa.getWidth();
    }

    public void setAnEe(int anEe) {
        this.anEe = anEe;
    }
}

Things to check in your solution:

Is every public and private modifier correct?
Are the correct items static?
Are the correct items final?
Are all the variable types and method return types correct?
Are the class members in the correct order? It should be: (1) static variables, (2) instance variables, (3) constructors, (4) methods.
Do members have the correct capitalization?

Acceptable variations in the solution:

It is OK if you initialized non-static variables in the constructor instead of in the declaration. (Ask your instructor if you aren’t clear what this means.) Note that static variables must be initialized in the declaration.
It is OK if you used a slightly different but equivalent form of an expression, such as += 1 instead of ++.

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