Struggling with string-based coding questions in interviews?
Confused about how to count characters, vowels, or frequency in Java?

Welcome to The Techzeen, your go-to channel for DSA explained with clarity and simplicity in Hindi/Urdu!

In this video, I’ve solved 3 important string problems step by step:

Problem 1: Count Frequency of a Character in a String
Dry run and logic explanation
Real-world code implementation in Java

Problem 2: Count Total Vowels in a String
Lowercase handling, loop logic, clear breakdown
Diagram explanation + dry run

Problem 3: Count Total Characters (Excluding Spaces)
Full string traversal and condition check
Perfect logic for beginner interview prep

These problems are commonly asked in interviews, and mastering them improves your logic building and problem-solving confidence.

Everything is explained in simple Hindi/Urdu, with Java code in IntelliJ IDEA.

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