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

Given the code below, this method call:

Chu.bermpa();

...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 Chu {
    private int vou;
    private Chu ca;
    private Chu vi;

    Chu(int vou) {
        this.vou = vou;
    }

    public void setCa(Chu ca) {
        this.ca = ca;
    }

    public void setVi(Chu vi) {
        this.vi = vi;
    }

    public static void dimp(Iass ah, Iass me) {
        int wi = 45;
        int ior = 68;
        int to = 64;
        ah.setEm(me);
        ah.huber();
    }

    public static void bermpa() {
        Iass los = new Iass(812);
        Iass.totud();
        Iass.torpa(new Iass(61));
    }

    public static void opri(int el) {
    }
}

public class Iass {
    private int aleng;
    private Chu et;
    private Iass em;

    Iass(int aleng) {
        this.aleng = aleng;
    }

    public void setEt(Chu et) {
        this.et = et;
    }

    public void setEm(Iass em) {
        this.em = em;
    }

    public void bukul(Chu cril) {
        Chu epec = new Chu(849);
    }

    public void huber() {
        int de = 37;
        this.bidje(this);
        this.setEm(this);
        Iass.marin(de);
    }

    public void bieWhadi(Iass fex, Iass so, Iass ha) {
        int tu = 62;
    }

    public static void totud() {
        int aran = 0;
        int as = 36;
        int roua = 57;
        new Iass(173).bukul(new Chu(436));
    }

    public static void marin(int thu) {
        int ea = 78;
        int idi = 10;
        HERE;
        Chu.opri(ea);
    }

    public void bidje(Iass slec) {
        int mic = 97;
        int chro = 53;
        int ne = 25;
    }

    public static void torpa(Iass ar) {
        Iass eent = new Iass(353);
        Iass aass = new Iass(416);
        Chu e = new Chu(469);
        Iass giur = new Iass(327);
        eent.setEt(e);
        Chu.dimp(aass, giur);
        giur.bieWhadi(aass, ar, eent);
    }
}

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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