How To Reverse An Array In JAVA | FREE DSA Course in JAVA | Lecture 63

We are covering simple java operations on arrays.
In this program, we will learn how to reverse an array.
For example, we have an array, 1, 5, 6, 79, 80, 60, 23 then we must reverse the array in the sense that it now becomes 23, 60, 80, 79, 6, 5, 1
We can solve this program using loops by placing one pointer at the start of the array and another pointer at the end of the array.
All we need to do now is interchange their positions and increase the initial pointer by one and decrease the last pointer by one.
Let's check out how we can write a java program to reverse an array.
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[@MokshithPatel6]

thank you for this simplest explanation ever :)

[@Nirajjha1]

amazing explanation sir....! this is the your first video that I'm watching... and I love it.

[@myosith4795]

Thank you this question is solved

[@shaikshafiulla684]

just looking like wow superb sir

[@romeiyu3491]

this is really easy to understand thank you!

[@user-ny3cf5si4i]

the best explanation i have ever seen

[@mrb7931]

int j = last element of array a[i] solved my problem , thanks a lot sir

[@mohdalmashusain1777]

kl rahul's 4th cousin

[@annu0317]

🤣🤣

[@amaanullah13]

Sir You're Awesome.

[@sravanipandranki3650]

Simple super sir ❤️

[@mayureshwar]

Great video sir. This is very good video and please make on video on DSA topic as well.

[@Uni-explore108]

Thank you so much

[@djdholan]

nice explanation

[@bhuvaneshd3250]

Sir can you cover dynamic programming and make a playlist ?

[@proud_indian0161]

thanks

[@Entertainment.Tube0]

Awesome..... simple explanation..... 💯💯

[@bavitasahu8378]

So easy

[@MunniDivya]

super sir

[@vineethyadav4221]

we can do the same thing by using for(int i=a.length-1;i>=0;i--) Sysout(a[i]+" "); Why do wee need to create aethod and them calling using while??

[@prashantbaghel8435]

what was the time & space complexity of this code ????

[@manishachanda8089]

We don't need to swap we can also do these by: for(i=A.length; i>=0;i--){ sout(A[i]); It will take just 10 lines and also save our time.

[@aryasharma6878]

you can't do that in a function where you need to return a reversed array.

[@Eekshitasai]

i did not got output

[@VISHNU_SAI]

❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤

[@0-100Dev]

Why is easier questions being posted today ?

[@TAPACADEMY]

These are some basic operations that students must know. Will come up more advanced questions as well.

[@Gamuss12345]

[@annu0317]

why don't you teach on board that will be easy for us to understand and i personally like more beacuse it's to irritating when u tell the concept on virtual mode. I hope u will consider my request

[@gauravchaudhary5913]

this code is appearing [I@5fdef03a an not get output