Reversing the Values in an Array (Java Tutorial)

[@BillBarnum]

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[@MitchieWee]

As someone who learns by visualising I really appreciate this video. Help me not just understanding what i need to to but also WHAT i am doing. Thanks!

[@ΔημητρηςΣαμιωτης-τ7μ]

Great video , in terms of explanatory power , you actually shed light into how the code works step by step. Not so many youtubers delve into the details of the code . ( commenting as a begginer)

[@BillBarnum]

Thanks for the comment, Δημητρης. I'm glad you found the video useful!

[@Gamuss12345]

So far the best tutorial I've ever seen! Love this concept or explanation + visualisation! Thank you, Bill!

[@cedricclamaran]

I had gotten the for loop working but didn't get what was actually going on, this video made it really easy to understand, thank you

[@f3rdi881]

Without the visuals this would have been impossible to comprehend.

[@samreensaba288]

Yeah.. I have watched 2 tutorial but still wasn't able to understand

[@JULIEDELARO]

Oooh I love this. I'm at the start of my software engineering degree program online. The instruction is basically read the book, now code. I don't learn that way. This helped. Subscribed.

[@BillBarnum]

I'm glad you found it helpful!

[@Furmul]

I am learning rn Arrays and this topic really hard on me but found your video and it helped me understand the logic behind the reverse exercise I had to make. thanks!

[@BillBarnum]

Thanks for the feedback, Mark! I'm glad you liked the video.

[@NicolasEZapata]

So clear I knew what to do by the middle of the video. Good Stuff Sir!

[@sudelicious.4045]

keep doing the visual, it helps me to learn this very clearly. thanks a lot!

[@BillBarnum]

Thanks for the feeback. I'm glad you found the video useful!

[@birkhansonkan4236]

visual explanaition is a great way of teaching, thanks

[@Sami67995]

step by step explanation and thanks for sharing

[@chrisbaisley5571]

Very helpful, thank you!

[@BillBarnum]

Thanks, Chris.

[@gami3917]

Life Saver! clear explanation Thank you!

[@BillBarnum]

Thanks for the feedback! I'm glad you found it useful.

[@kingjulian1046]

Great explanation and visuals really made a complex idea easy to understand top stuff.

[@dmitrykoveshnikov]

Great video. THANK YOU

[@RandomNoob1124]

This visual is the best part🔥🔥🔥

[@BillBarnum]

Thanks for the feedback!

[@bextrekks8354]

visual helped a lot - thanks!!

[@BillBarnum]

Thanks for the comment, Bex! I'm glad that you liked the video.

[@PatrycjaMarkiewicz]

Great algorithm :)

[@syedghouseullah]

Thankyou sir 🙏

[@yasinfahmy]

perfect, thanks!!!

[@BillBarnum]

Glad it helped!

[@Thorsssssss]

Thank you sensei. I love u for this💋

[@nickhlope1717]

Great video. Just wanna ask why we had to say x.length - i - 1....what exactly does that mean

[@BillBarnum]

We want to swap each index with its corresponding value on the other end of the array. If i is 0, then x.length - i -1 will be the last index. If i is 1, then x.length - i - 1 will be the second to last index.

[@harshadaborade5712]

Great🙏

[@BillBarnum]

Thanks for the feedback!

[@kashvibhatia9910]

Thank you so much

[@BillBarnum]

I'm glad you liked the video, Kashvi!

[@nadunrathnayaka160]

why we divide length by 2

[@BillBarnum]

We only go through the first half of the array. As we are going through the first half, we swap values with the corresponding index in the second half.

[@nadunrathnayaka160]

@@BillBarnum thank you sir

[@why1t]

If we aren't supposed to use this method on the AP exam, what method do we use then?

[@BillBarnum]

The algorithm I demonstrated would be fine. I mentioned another algorithm to reverse values using a temp array. However, I did not demonstrate that method.

[@why1t]

@@BillBarnum ah, ok. Thanks! :)

[@luxfortis4377]

thanks

[@madchallenges847]

how to print at the end?

[@BillBarnum]

Before you declare the class: import java.util.Arrays; When you are ready to print it: System.out.println(Arrays.toString(x)); //assuming the array is named x

[@arhzzzmusic556]

What do i type to write the array out Out.print what???

[@BillBarnum]

I don't quite understand your question.

[@arhzzzmusic556]

@@BillBarnum Dont worry I've figured it out.

[@BillBarnum]

@@arhzzzmusic556 Great!

[@Thorsssssss]

@@arhzzzmusic556 how did u do that bro?

[@nickhlope1717]

How did you print out the array elements to display

[@brankoblesicjr.5792]