how to check whether a character is vowel in java
public class CodeGrepper {
public static boolean isVowel(char letter) {
String vowels = "aeouiAEOUI";
return vowels.indexOf(letter) != -1;
}
public static void main(String[] args) {
System.out.println(isVowel('a')); // true
System.out.println(isVowel('z')); // false
}
}java program to print vowels in a string
String str = "hello";
//Java 8
HashSet<Character> vowels = new HashSet<>(Arrays.asList('a', 'e', 'i', 'o', 'u'));
//Java 9+
Set<Character> vowels = Set.of('a', 'e', 'i', 'o', 'u');
for(char c : str) if(vowels.contains(c)) System.out.println(c + "");check vowel present in string java
public class FindingVowels {
public static void main(String args[]) {
String str = new String("Hi Welcome to Tutorialspoint");
for(int i=0; i<str.length(); i++) {
if(str.charAt(i) == 'a'|| str.charAt(i) == 'e'|| str.charAt(i) == 'i' || str.charAt(i) == 'o' || str.charAt(i) == 'u') {
System.out.println("Given string contains "+str.charAt(i)+" at the index "+i);
}
}
}
}Copyright © 2021 Codeinu
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