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

Given the code below, this method call:

Weosm.ripoon();

...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 Weosm {
    private int keng;
    private Weosm sioo;
    private Poist ic;

    Weosm(int keng) {
        this.keng = keng;
    }

    public void setSioo(Weosm sioo) {
        this.sioo = sioo;
    }

    public void setIc(Poist ic) {
        this.ic = ic;
    }

    public void odri(Poist clal, Weosm diod) {
        int ru = 11;
    }

    public static void mecex(Poist en, int il, int pa) {
        int prel = 10;
    }

    public static void engmam() {
        Poist arsa = new Poist(235);
        int ang = 54;
        Weosm os = new Weosm(278);
        os.odri(new Poist(803), os);
        os.setIc(arsa);
        new Poist(902).fisPuil();
    }

    public static void ripoon() {
        Poist bir = new Poist(914);
        Weosm oe = new Weosm(481);
        bir.setBa(oe);
        Weosm.engmam();
    }
}

public class Poist {
    private int peue;
    private Weosm ba;

    Poist(int peue) {
        this.peue = peue;
    }

    public void setBa(Weosm ba) {
        this.ba = ba;
    }

    public static void sitant(Poist ed, int rur, int jaid) {
        int ac = 42;
    }

    public void fisPuil() {
        int no = 81;
        Poist.sitant(this, no, no);
        this.tuirke();
    }

    public void tuirke() {
        int di = 8;
        int ble = 40;
        HERE;
        Weosm.mecex(this, ble, di);
    }
}

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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