Real world objects [closed]

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If we treat tree as an object then what will be its leaf and branches?
Similarly, if we treat dog as an object then what will be its legs,mouth and eyes?

Answer 1

A tree HAS a set of branches. Each branch HAS a set of leaves.

That is, (pseudocode)

class Tree {
    Branch[] branches;
}

class Branch {
    Leaf[] leaves;
}


class Leaf {

}

Similarly with the dog: a dog HAS a collection of eyes; it also has a collection of legs; and it has a mouth.

class Dog {
    Leg[] legs;
    Mouth mouth;
    Eye[] eyes;
}