[Solved] Can someone please explain the Outcome of the following code in java

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To make this question clear, I suggest you to read about Java Reference/Object & method override first.

Below are the description of every steps in your code:

  1. You create a new instance of Class”B” and a reference P pointing to it:
    enter image description here

  2. You create anoher reference Q and also pointing to above object:
    But pay attention, the method f() in B overrided f() in A.
    enter image description here

  3. You create a new instance of Class”A” and a reference R pointing to it:
    enter image description here

  4. So, you have totally 2 objects(one for Class B and one for Class A) and 3 references now. Below code call B’s f() 2 times, A’s f() 1 times. So the result is:
    enter image description here

solved Can someone please explain the Outcome of the following code in java