No comprendí la respuesta,la deduci por ensayo y error

Question

[ 0] [2] la coordenada de ubicación no
puede ser 8

Answer 1

Translation of your question :
I didn't understand the answer, I deduced it by trial and error [0] [2] the location coordinate does not  can be 8
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So , where is your complete question?

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Remember array index starts from 0 in java
If you have array of n elements first element will have index 0 and second will have 1 and so on....
Last element will be at index n-1

Index ->I
Element ->E

| I | [ 0 ] [ 1 ] [ 2 ] [ 3 ] [ 4 ]
___|____________________
| E | e1 e2 e3 e4 e5

As index starts from 0 whenever you have to access say m'th element use index m-1

Ex. When you want to access 5th element you'll use 5-1 = 4 as index.
Same is used for multidimensional array.
Considering 2d array....
If you want to access element from x'th row and y'th column you'll use [x-1][y-1] as index.

Ex. If you have to access element from 5th row and 3rd column you'll use index [5-1][3-1] that is [4][2]

You can find such logics in the course you have joined (Java) just scroll through comment section .read properly

Answer 2

Gracias