Amazon Coding Interview Question - First Non-Repeating Character | Developers | QA Engineers

firstNonRepeatingCharacter in Java Array. This is a frequently asked coding interview question in companies like Amazon, Google, Microsoft, Facebook. This is a popular leet code Java programming question for Software Developers and Quality Assurance Engineers.

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[neerajsinghkapkoti]

Thank you for this solution. Just a consideration; this code will fail if there is more than 1 character that is a non-repeating character. HashMap does not retain sequence its not fix which char will show up in the second for loop

[anujshrigiriwar]

Please can you make a complete course on it, for such problems so people can have some guidance on cracking coding rounds at Amazon or Google!!

[ranguvenkatesh]

Hi @LetsKodeItOfficial, for "stress" string not working can you help me first non repeating char it should print only t but in you case the t, r, e 3 chars printing