How should i do to set something in arrays?

Answer 1

int array[5];

array[0] = 42;
array[1] = 0;
// etc

or using a loop

for (int i = 0; i < 5; i++)
array[i] = some_value;

Answer 2

tq

Answer 3

You can also assign values in the declaration, but the syntax depends on the programming language:

Java:
int[] nums = {1,2,3};
OR
int[] nums = new int[]{1,2,3};

Javascript:
var nums = [1, 2, 3];

C#:
int[] nums = { 1, 3, 5, 7, 9 };

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