Stack frames and objects (like the Idea Lab activity): Correct Solution

Given the code below, this method call:

Hepra.makPruba();

...will eventually reach the point marked HERE. Draw a diagram of the stack and the heap at that point.

(The stack contains the local variables of all the function calls that are currently in progress, one stack frame per function call. The heap contains all of the objects that currently exist.)

In your diagram:

Label each stack frame with the name of the method.
Label each object with the name of its class.
Include the names of all the variables that belong to each object and stack frame, including the implicit this parameter if present. (You do not need to write the types of any variables.)
When a variable's value is null or a primitive, write the value immediately next to the variable.
When a variable points to an object, draw an arrow from the variable to the object it points to.

The code:

public class Hepra {
    private int aish;
    private Hepra cac;

    Hepra(int aish) {
        this.aish = aish;
    }

    public void setCac(Hepra cac) {
        this.cac = cac;
    }

    public static void wekCimirk(Hepra ri) {
        Hepra neir = new Hepra(700);
        Atec el = new Atec(670);
        neir.setCac(ri);
        Hepra.isprub(new Hepra(796));
    }

    public static void isprub(Hepra ce) {
        Atec ond = new Atec(332);
        int plom = 45;
        ond.setOu(ond);
        Atec.koon();
        Hepra.phusm(ond, plom, ce);
    }

    public static void phusm(Atec ecre, int sor, Hepra haim) {
    }

    public static void makPruba() {
        int ec = 60;
        Hepra di = new Hepra(851);
        int freo = 91;
        di.setCac(di);
        Hepra.wekCimirk(new Hepra(886));
        Atec.eusm(ec, di, freo);
    }

    public static void mussin(int spre, int mioa, int mu) {
    }
}

public class Atec {
    private int cosis;
    private Atec ou;
    private Atec uass;
    private Atec dipi;

    Atec(int cosis) {
        this.cosis = cosis;
    }

    public void setOu(Atec ou) {
        this.ou = ou;
    }

    public void setUass(Atec uass) {
        this.uass = uass;
    }

    public void setDipi(Atec dipi) {
        this.dipi = dipi;
    }

    public static void eusm(int paec, Hepra tir, int swes) {
        int as = 88;
        Atec.prasm(as, paec, swes);
    }

    public static void hatas(int va) {
        int oir = 17;
        int isio = 96;
        int me = 75;
    }

    public static void prasm(int veua, int meon, int un) {
        int cin = 96;
    }

    public static void koon() {
        int irra = 77;
        int socs = 78;
        int pel = 94;
        Atec.hatas(socs);
        Atec.grird(pel);
    }

    public static void grird(int thu) {
        int mosm = 57;
        int onir = 24;
        int seon = 35;
        int biss = 7;
        HERE;
        Hepra.mussin(seon, 73, mosm);
    }
}

Solution

Hints for practicing this puzzle:

Practice with difficulty 0, then work your way up. This will help you get a handle on what the puzzle is asking.
There is only one path through the code from the starting method call to HERE. Start by finding that path.
Be thorough. Double check that you've fully diagrammed each step before you move on to the next one.
You can feed this code into https://pythontutor.com and watch a diagram like this build up step by step. (Yes, despite the web site's name, it also works with Java.)

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