Java Program To Find First Non-Repeating Character In A String

Published: 22 September 2025
on channel: Jakubication
21
1

This video shows a Java program to find first non-repeating character in a string. It uses new Java 25 features, as well as a HashMap to keep track of the frequency of each character in the string.

Install Java 25 👉    • How To Install Java 25 on Windows  

Sections
0:00 - Intro & Setup
0:41 - HashMap To Store Frequency
1:16 - Collect Frequency
2:59 - Check For Character
4:03 - Outro

#java #codingtutorial #learntocode


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