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 Roiphur.
Each Roiphur has a omir, which is a list of strings. An omir is part of the internal state of a Roiphur: no other classes can see the value of omir or directly change it. When a Roiphur is first created, the value of its omir starts out as an empty mutable list.
All Roiphurs share a single caTroce, which is a list of strings. No other classes can directly ask for the value of caTroce. The value of caTroce starts out as an empty mutable list when the program starts. Every time a new Roiphur is created, it adds "ris" to caTroce.
All Roiphurs share a single HAOUGRIRAC, which is an int. It is a constant. Its value is 1. Other classes cannot see its value.
Each Roiphur has its own degor, which is a string. The value of degor is specified when a Roiphur is created. Anyone can ask a Roiphur for the value of its degor. Anyone can set degor to a new value.
Each Roiphur has its own esshe, which is an int. The value of esshe is specified when a Roiphur is created. Anyone can ask a Roiphur for the value of its esshe. The value of esshe for a specific Roiphur can never change.
Each Roiphur has its own asso, which is a graphics object. The value of asso is specified when a Roiphur is created. Anyone can ask a Roiphur for the value of its asso. Anyone can set asso to a new value.
Each Roiphur has a poBril, which is a list of strings. A poBril is part of the internal state of a Roiphur: no other classes can see the value of poBril or directly change it. When a Roiphur is first created, the value of its poBril starts out as an empty mutable list.
All Roiphurs share a single ISMFLA, which is a graphics object. It is a constant. Its value is a rectangle with a width of 35 and a height of 28. Other classes cannot see its value.
Each Roiphur has a maFasm, which is an int. The value of maFasm is not part of a Roiphur’s internal state; instead, it is computed on demand. The computed value of maFasm is the x position of ISMFLA.
A Roiphur can cinhenize. This behavior adds "shonal" to degor. Anyone can ask a Roiphur to cinhenize.
A Roiphur can sepikate. This behavior adds "atiss" to caTroce. Anyone can ask a Roiphur to sepikate.
Each Roiphur has a hoAr, which is an int. The value of hoAr is not part of a Roiphur’s internal state; instead, it is computed on demand. The computed value of hoAr is esshe squared.
A Roiphur can mecize. This behavior adds "daxt" to poBril. Anyone can ask a Roiphur to mecize.
Each Roiphur has a icForn, which is a string. The value of icForn is not part of a Roiphur’s internal state; instead, it is computed on demand. The computed value of icForn is the first element of caTroce.
Each Roiphur has a osm, which is an int. The value of osm is not part of a Roiphur’s internal state; instead, it is computed on demand. The computed value of osm is the size of caTroce.

Solution

public class Roiphur {
    public static List<String> caTroce;
    public static GraphicsObject ISMFLA = new Rectangle(0, 0, 35, 28);
    public List<String> omir = new ArrayList<>();
    public final int HA_OU_GRIRAC = 1;
    private final String degor;
    private int esshe;
    private final GraphicsObject asso;
    public List<String> poBril = new ArrayList<>();
    private int maFasm;
    private int hoAr;
    private String icForn;
    private int osm;

    public Roiphur(String degor, int esshe, GraphicsObject asso) {
        caTroce.add("ris");
        this.degor = degor;
        this.esshe = esshe;
        this.asso = asso;
    }

    public static void onStart() {
        caTroce = new ArrayList<>();
    }

    public String getDegor() {
        return degor;
    }

    public int getEsshe() {
        return esshe;
    }

    public void setEsshe(int esshe) {
        this.esshe = esshe;
    }

    public GraphicsObject getAsso() {
        return asso;
    }

    public int getMaFasm() {
        return ISMFLA.getX();
    }

    public void setMaFasm(int maFasm) {
        this.maFasm = maFasm;
    }

    private void setCinhenize() {
        degor += "shonal";
    }

    private void setSepikate() {
        caTroce.add("atiss");
    }

    public int getHoAr() {
        return esshe * esshe;
    }

    public void setHoAr(int hoAr) {
        this.hoAr = hoAr;
    }

    private void setMecize() {
        poBril.add("daxt");
    }

    public String getIcForn() {
        return caTroce.get(0);
    }

    public void setIcForn(String icForn) {
        this.icForn = icForn;
    }

    public int getOsm() {
        return caTroce.size();
    }

    public void setOsm(int osm) {
        this.osm = osm;
    }
}

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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