Java Program to Count Vowels in a String
Java Program to Count Vowels in a String
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Learn how to count the number of vowels in a string using Java with three different approaches – using if statements, indexOf() method, and switch-case. This beginner-friendly tutorial explains the logic step-by-step and demonstrates working Java code for all three methods.
In this video, you will:
Understand what vowels are and how to identify them in a string
Use the if statement approach to count vowels
Use the indexOf() method for checking vowels efficiently
Implement a switch-case approach for vowel counting
Work with char data type and string manipulation techniques
See complete Java code examples for all three methods
Code Link :
Perfect for:
B.Tech / BCA students
Java beginners
Coding interview prep
ICSE Class 10 Computer Applications students
ISC Computer Science Class 11 & Class 12 students
AP Computer Science students learning Java
Java Practice program in Strings & Loops
Programming Language: Java
Level: Beginner-friendly
Related Videos:
Count consonants in String: • Java Program to Count Consonants in a String
Validate a Password String : • Java Program to Validate a Password
Timestamps:
00:00 Introduction
00:26 Problem introduction
01:06 Solution explanation
02:45 Java code
05:43 Alternate method 1 - check if char is vowel using indexOf()
07:44 Alternate method 2 - check if char is vowel using switch-case
09:55 Optimisations
11:25 Running the code
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