Arth longest subarray

[ArthBachhuka123]

• I have read CONTRIBUTING.md.
• This pull request is all my own work -- I have not plagiarized it.
• All filenames are in PascalCase.
• All functions and variable names follow Java naming conventions.
• All new algorithms have a URL in their comments that points to Wikipedia or other similar explanations.
• All new code is formatted with clang-format -i --style=file path/to/your/file.java

[ArthBachhuka123]

i have also checked the testcases the code is working and is pretty understandable easily

[ArthBachhuka123]

can you please provide an error message or a log snippet so that i can change the code as required

[ArthBachhuka123]

i have made the change in the fibonacci method

[DenizAltunkapan]

Your implementation of the Fibonacci series does not use the recursive approach as indicated in the package name.