Question

Ok if I have an string input of “3 6”

how do I put those two int in an array? what if you have more than one spaces between them?

let’s say I want those numbers to be in an array like {3, 6}
is that possible? thanks

Answer 1

Try this, using a regular expression to split the input string whenever a sequence of one or more spaces is found, and then convert the resulting String[] to an int[]:

String numberString = "  1   2 34    7 ";
String[] numbers = numberString.split("\\s+");
int[] ints = new int[numbers.length];
for (int i = 0; i < ints.length; i++)
    ints[i] = Integer.parseInt(numbers[i]);

Now the ints array contains the expected values:

System.out.println(Arrays.toString(ints));
> [1, 2, 34, 7]