Vowels are the letters A, E, I, O, and U (small case and uppercase), while consonants are the rest of the alphabet. In this section, we will write a Java program that uses Switch Case to determine whether the input character is a vowel or a consonant.
input character is a vowel or a consonant input character is a vowel or a consonant input character is a vowel or a consonant input character is a vowel or a consonant input character is a vowel or a consonantinput character is a vowel or a consonantinput character is a vowel or a consonant
Example: Check Vowel or Consonant using Switch Case
In this program, we intentionally do not use a break statement with cases, so that if the user enters any vowel, the programme continues to execute all subsequent cases until Case ‘U’ is reached, at which point we set the value of a boolean variable to true. This allows us to determine whether the alphabet entered by the user is a vowel or not.
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class JavaExample
{
public static void main(String[ ] arg)
{
boolean isVowel=false;;
Scanner scanner=new Scanner(System.in);
System.out.println("Enter a character : ");
char ch=scanner.next().charAt(0);
scanner.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:
check vowels check vowels check vowels check vowels check vowels check vowels check vowels check vowels
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
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