I am confusing in looping method using for, while, else if method in Java... can anyone help me in this

Answer 1

First try with one for loop and try to guess answer do dry run in copy figureout how its woRkiNg after that try for nesting or you can see on Youtube tutorials.

Answer 2

Else and if describe like "if something happens or if not happened"
While loop like "while I eat pizza wait"
For loop like "for the car put fuel until it is full"