print vowels in string java
package org.arpit.java2blog;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;
public class VowelFinder
{
public static void main(String args[])
{
Scanner scanner = new Scanner(System.in);
System.out.print("Enter an String : ");
String str = scanner.next();
Set<Character> set=new HashSet<Character>();
for (int i = 0; i < str.length(); i++) {
char c=str.charAt(i);
if(isVowel(c))
{
set.add(c);
}
}
System.out.println("Vowels are:");
for (Character c:set) {
System.out.print(" "+c);
}
scanner.close();
}
public static boolean isVowel(char character)
{
if(character=='a' || character=='A' || character=='e' || character=='E' ||
character=='i' || character=='I' || character=='o' || character=='O' ||
character=='u' || character=='U'){
return true;
}else{
return false;
}
}
}
