Longest Substring without Repeating Characters - Java code with Explanation

Given a string, find the length of the longest substring without repeating characters. In this tutorial, You are going to learn how to find the longest substring without repeating character using sliding window approach. First Non-Repeating Character in a Stream of Characters - https://youtu.be/WqFCOjfHDz0 Longest Substring without Repeating Characters in Hindi - https://www.youtube.com/watch?v=tAbu88w6CFo Java Code - https://webrewrite.com/longest-substring-without-repeating-characters/ Paypal - https://www.paypal.me/programmingtutorials