Java Program To Check Vowels and Consonants in a String
- June 02, 2020
- by
Java Program To Check Vowels and Consonants in a String
In this Java Program, we calculate the vowels and consonants in a string.
The alphabet contains 26 letters, among them A, E, I, O, U (small and upper case) are known as vowels while the remaining 21 letters are known as consonants.
Logic : switch(ch)
{
case 'a':
case 'e':
case 'i':
case 'o':
case 'u':
case 'A':
case 'E':
case 'I':
case 'O':
case 'U': isVowel = true;
}
if(isVowel == true)
{
System.out.println(ch+" is a Vowel");
}
else
{
if((ch>='a' && ch<='z')||(ch>='A' && ch<='Z'))
System.out.println(ch+" is a Consonant");
else
System.out.println("Input is not an alphabet");
}
Step 1 : Import java.util.Scanner
Step 2 : Create variable isVowel and initialize it to false
Step 3 : Ask the user to enter a character by using Scanner
Step 4 : Store the user entered character in the variable ch
Step 5 : Close the Scanner to avoid memory leak
Step 6 : Apply the logic by using the switch case
Step 7 : Apply if else condition
Step 8 : Display the result by using System.out.print
Program :
import java.util.Scanner;
public class VowelConsonent
{
public static void main(String[] args)
{
boolean isVowel = false;
Scanner sc = new Scanner(System.in);
System.out.println("Enter a character:");
char ch = sc.next().charAt(0);
sc.close();
switch(ch)
{
case 'a':
case 'e':
case 'i':
case 'o':
case 'u':
case 'A':
case 'E':
case 'I':
case 'O':
case 'U': isVowel = true;
}
if(isVowel == true)
{
System.out.println(ch+" is a Vowel");
}
else
{
if((ch>='a' && ch<='z')||(ch>='A' && ch<='Z'))
System.out.println(ch+" is a Consonant");
else
System.out.println("Input is not an alphabet");
}
}
}
Output:
Enter a character :
A
A is a Vowel
Enter a character :
P
P is a Consonant
Enter a character :
9
Input is not an alphabet
For execution of the same do visit my YouTube Channel:
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