Array declaration in Java [duplicate]

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Difference between int[] array and int array[]

Is int[] arr; functionally the same as int arr[];?

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Yes. You can put the braces in either place when declaring an array.

Bonus: you can even put 'em here: int []arr

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Yes, the functionality is the same. You can have the braces anywhere.

int[] a,b,c[];

is equivalent to

int a[],b[],c[][];

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It's just the matter of style. You can pick the style you like. They perform exactly the same. Some claim that if you write "int[] array", it will be clearer that it's an array of integer rather than writing "int array[]".

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It is, it's just to appease C++ developers they include int arr[]. (Or at least what I told in school)

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Yes it's the same. int[] arr is more convenient though.