* Implementing Hexagonal Architecture in java
* Removing duplicates from a string
* Fix for the code review feedback
- removing the hexagonal architecture code
- removing the methods removeDuplicatesUsingCharArray
- adding some meaningful sentences to test
* Fix for the code review feedback
- fix for removeDuplicatesUsingCharArray
- adding unit testing
- adding brackets around for loops
* Fix for the code review feedback
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