longest substring without repeating characters in java

[@NareshSingh-v1q]

Very good explained

[@Bhagwan-w2x]

thanks for explaining with debugging.

[@AdityaSharma-fo7lr]

What about 'kew'? Why don't we consider that a substring?

[@funclub6599]

As I mention substring start when character get duplicate and need to get first substring as in given string wke is the first biggest substring