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

Given the code below, this method call:

Mesm.iwpre();

...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 Mesm {
    private int inGlall;
    private Mesm cepo;

    Mesm(int inGlall) {
        this.inGlall = inGlall;
    }

    public void setCepo(Mesm cepo) {
        this.cepo = cepo;
    }

    public void pessoc() {
        Dapa fa = new Dapa(973);
        Dapa bi = new Dapa(330);
        Mesm rau = new Mesm(166);
    }

    public void omail(int stoi) {
        Mesm qac = new Mesm(390);
        int pa = 35;
        int uu = 31;
        new Mesm(233).pessoc();
        qac.setCepo(this);
        this.bolla(stoi);
        Mesm.nepops();
    }

    public static void iwpre() {
        Dapa er = new Dapa(695);
        Mesm gac = new Mesm(777);
        er.setIome(gac);
        Mesm.salran(er, 58, new Mesm(314));
    }

    public static void salran(Dapa osra, int ca, Mesm grie) {
        osra.hiapti();
        osra.setSiw(grie);
        grie.omail(ca);
    }

    public void bolla(int hirb) {
        new Dapa(306).nasm(this, new Dapa(613), hirb);
        Dapa.datant(this);
    }

    public static void nepops() {
        Mesm ocon = new Mesm(239);
        Dapa iric = new Dapa(625);
        Dapa ees = new Dapa(76);
        Dapa pe = new Dapa(184);
        Dapa ea = new Dapa(774);
    }
}

public class Dapa {
    private int theac;
    private Dapa irne;
    private Mesm iome;
    private Mesm siw;

    Dapa(int theac) {
        this.theac = theac;
    }

    public void setIrne(Dapa irne) {
        this.irne = irne;
    }

    public void setIome(Mesm iome) {
        this.iome = iome;
    }

    public void setSiw(Mesm siw) {
        this.siw = siw;
    }

    public static void datant(Mesm treg) {
        Mesm ien = new Mesm(222);
        int ri = 36;
        HERE;
    }

    public void nasm(Mesm ci, Dapa ho, int ha) {
    }

    public void hiapti() {
        int nili = 73;
        Dapa ad = new Dapa(324);
        Mesm me = new Mesm(865);
        int otha = 56;
    }
}

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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