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 Meci.
Each Meci has a shid, which is a list of strings. A shid is part of the internal state of a Meci: no other classes can see the value of shid or directly change it. When a Meci is first created, the value of its shid starts out as an empty mutable list.
Each Meci has its own thec, which is an int. The value of thec starts out as 19. Anyone can ask a Meci for the value of its thec. Anyone can set thec to a new value.
Each Meci has a dadca, which is an int. The value of dadca is not part of a Meci’s internal state; instead, it is computed on demand. The computed value of dadca is thec plus 2.

Solution

public class Meci {
    public List<String> shid = new ArrayList<>();
    private final int thec;
    private int dadca;

    public Meci() {
    }

    public int getThec() {
        return thec;
    }

    public int getDadca() {
        return thec + 2;
    }

    public void setDadca(int dadca) {
        this.dadca = dadca;
    }
}

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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