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 Tredding.
Each Tredding has its own teStoch, which is a list of strings. The value of teStoch is specified when a Tredding is created. Anyone can ask a Tredding for the value of its teStoch. Anyone can set teStoch to a new value.
All Treddings share a single erSqiec, which is an int. No other classes can directly ask for the value of erSqiec. The value of erSqiec starts out as 2 when the program starts. Every time a new Tredding is created, it adds 5 to erSqiec.
All Treddings share a single MOMESS, which is an int. It is a constant. Its value is 4. Other classes cannot see its value.
A Tredding can sasmolify. This behavior adds "adhel" to teStoch. Anyone can ask a Tredding to sasmolify.
Each Tredding has a trao, which is a string. The value of trao is not part of a Tredding’s internal state; instead, it is computed on demand. The computed value of trao is the first element of teStoch.

Solution

public class Tredding {
    public static int erSqiec;
    private final List<String> teStoch;
    public final int MOMESS = 4;
    private String trao;

    public Tredding(List<String> teStoch) {
        this.teStoch = teStoch;
        erSqiec += 5;
    }

    public List<String> getTeStoch() {
        return teStoch;
    }

    public static void onStart() {
        erSqiec = 2;
    }

    private void setSasmolify() {
        teStoch.add("adhel");
    }

    public String getTrao() {
        return teStoch.get(0);
    }

    public void setTrao(String trao) {
        this.trao = trao;
    }
}

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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