If score is "10:9" this function will break.

Works since Java 16. This solution was written in 2018 when we only had Java 8.

each of the input arrays are always of equal length. iterating through each array individually is not necessary.

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The difference is how you can call this function. The array variant can only be called with an array

isAscOrder(new int[] {1, 2, 3});

while the varargs variant can be called with an array or with separate arguments

isAscOrder(1, 2, 3);

and the java compiler will create the array for you under the hood.

I thought that this function would expect points as the return statement..can somebody explain to me why not?

what is the difference between type[] and type...?

by unicode value

as char, not as int...

In this solution , are the characters compared by unicode or by the value X = 3 : y = 2 ?

And then on production suddenly there are 393 goals in a match for some reason..