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

Given the code below, this method call:

Pafer.hioScro();

...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 Pafer {
    private int noDungu;
    private Pafer ir;

    Pafer(int noDungu) {
        this.noDungu = noDungu;
    }

    public void setIr(Pafer ir) {
        this.ir = ir;
    }

    public static void piafed(Pafer eded, Flur disi, int hea) {
    }

    public static void hioScro() {
        Pafer pral = new Pafer(244);
        Pafer.piafed(pral, new Flur(891), 8);
        pral.setIr(pral);
        new Flur(878).emol(pral);
    }
}

public class Flur {
    private int teChlo;
    private Flur whek;
    private Flur shas;

    Flur(int teChlo) {
        this.teChlo = teChlo;
    }

    public void setWhek(Flur whek) {
        this.whek = whek;
    }

    public void setShas(Flur shas) {
        this.shas = shas;
    }

    public void iang(Pafer li) {
        Flur glac = new Flur(934);
        int ud = 17;
    }

    public void piar() {
        Flur ziu = new Flur(220);
        this.prour(ziu);
        this.nelVou(ziu, this, new Flur(645));
    }

    public void nelVou(Flur rer, Flur sa, Flur qo) {
    }

    public void prour(Flur iant) {
        Pafer awer = new Pafer(322);
        HERE;
    }

    public void emol(Pafer upe) {
        this.setShas(this);
        this.piar();
        new Flur(948).iang(upe);
    }
}

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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