Reverse array in subset of N in Java

Problem: Reverse array in subset of N.

For example:
input: Array = [1,2,3,4,5,6,7,8,9], N = 3
output: [3,2,1,6,5,4,9,8,7]
The array is divided in 3 subsets [1,2,3], [4,5,6] and [7,8,9]. Now these subsets are reversed to get the final output. i.e. [3,2,1,6,5,4,9,8,7]

Reverse number: reverse a number in Java

Algorithm to reverse array in subset of N:

Lets see an algorithm to reverse array in subset of N.

Java code:
Lets write Java code to reverse array in subset of N

Output:

I hope you liked the solution.
Please comment for your questions and doubts.

Happy programming 🙂

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