rotate array by k in java

[iamsunil25]

Enter your question or id on which you are working?

411

Briefly explain your program logic -

• first reverse the whole array
• then reverse the array from 0 index to k-1 index
• finally reverse the array from k to n-1 index

Screenshots(Attach 2 screenshots of your own input and output) -

Checklist:

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All the conditions should be fulfilled for considering your code for merging -

• [x] I have mentioned the question as comment in my solution file.
  

• [x] My code follows the guidelines of this project.
  

• [x] I have performed a self-review of my own code.
  

• [x] I have commented my code.
  

• [x] My code gives the correct output.
  

• [x] I confirm that I have not copied the code from anywhere. In case its found that I have copied even after successful merge then I can be banned from the repository and hacktoberfest.
  

• [x] I affirm that I strictly follow contributing guidelines and code of conduct.

[iamsunil25]

@SarthakKeshari could you please review my pr