improve explanation on Java array .length property

[melonpan]

pull request

Hello! I've noticed the sentence "The most commonly used property for arrays is its length" might lead to some misunderstandings, as Java only has a single built-in direct property for arrays. To clarify this, I've made a small adjustment.

Changes made:

Replaced

"The most commonly used property for arrays is its length which can be accessed like this:"

with

"Java has a built-in length property that returns the length of an array, which can be accessed like this:".

Please let me know if you have any questions. Thanks in advance.

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[kahgoh]

Thanks for the PR. I think I agree with the general idea behind this change. I just have a suggestion for the wording.

In addition, could you also update the following files? They also describe the array length:

• the arrays introduction (located in concepts/arrays/about.md
• introduction to the Bird Watcher exercise (located in exercises/concepts/bird-watcher/.docs/introduction.md)

[melonpan]

Thanks for the suggestion, I've changed the wording and updated the files.

[kahgoh]

Thanks! Changes looks good to me.