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.)

  1. One kind of thing that exists in our model is a Chunch.

  2. Each Chunch has a ipMiald, which is a graphics object. An ipMiald is part of the internal state of a Chunch: no other classes can see the value of ipMiald or directly change it. When a Chunch is first created, the value of its ipMiald starts out as a rectangle with a width of 26 and a height of 46.

  3. Each Chunch has its own sor, which is a list of strings. The value of sor is specified when a Chunch is created. Anyone can ask a Chunch for the value of its sor. The value of sor for a specific Chunch can never change.

  4. All Chunchs share a single heost, which is an int. No other classes can directly ask for the value of heost. The value of heost starts out as 13 when the program starts. Every time a new Chunch is created, it adds 1 to heost.

  5. Each Chunch has its own otar, which is a graphics object. The value of otar starts out as a rectangle with a width of 42 and a height of 33. Anyone can ask a Chunch for the value of its otar. Anyone can set otar to a new value.

  6. All Chunchs share a single KE_PLUL, which is a graphics object. It is a constant. Its value is an ellipse with a width of 23 and a height of 17. Other classes can see its value.

  7. Each Chunch has its own dac, which is a string. The value of dac is specified when a Chunch is created. Anyone can ask a Chunch for the value of its dac. The value of dac for a specific Chunch can never change.

  8. Each Chunch has a iac, which is an int. The value of iac is not part of a Chunch’s internal state; instead, it is computed on demand. The computed value of iac is heost squared.

  9. A Chunch can eprenize. This behavior adds 9 to heost. Anyone can ask a Chunch to eprenize.

  10. Each Chunch has a qeSecta, which is a string. The value of qeSecta is not part of a Chunch’s internal state; instead, it is computed on demand. The computed value of qeSecta is dac with two exclamation points appended.

  11. A Chunch can bexerize. This behavior adds 9 to heost. Anyone can ask a Chunch to bexerize.

  12. Each Chunch has a moDa, which is an int. The value of moDa is not part of a Chunch’s internal state; instead, it is computed on demand. The computed value of moDa is the width of KE_PLUL.

Solution

public class Chunch {
    public static int heost;
    private static GraphicsObject KE_PLUL = new Ellipse(0, 0, 23, 17);
    public GraphicsObject ipMiald = new Rectangle(0, 0, 26, 46);
    private List<String> sor;
    private final GraphicsObject otar;
    private String dac;
    private int iac;
    private String qeSecta;
    private int moDa;

    public Chunch(List<String> sor, String dac) {
        this.sor = sor;
        heost += 1;
        this.dac = dac;
    }

    public List<String> getSor() {
        return sor;
    }

    public void setSor(List<String> sor) {
        this.sor = sor;
    }

    public static void onStart() {
        heost = 13;
    }

    public GraphicsObject getOtar() {
        return otar;
    }

    public String getDac() {
        return dac;
    }

    public void setDac(String dac) {
        this.dac = dac;
    }

    public int getIac() {
        return heost * heost;
    }

    public void setIac(int iac) {
        this.iac = iac;
    }

    private void setEprenize() {
        heost += 9;
    }

    public String getQeSecta() {
        return dac + "!!";
    }

    public void setQeSecta(String qeSecta) {
        this.qeSecta = qeSecta;
    }

    private void setBexerize() {
        heost += 9;
    }

    public int getMoDa() {
        return KE_PLUL.getWidth();
    }

    public void setMoDa(int moDa) {
        this.moDa = moDa;
    }
}

Things to check in your solution:

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