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Answers for "find vowels in string java"

Java
2

count vowels in a string java

// There are many ways to do it the one i came up with is this:  
int count = 0;
String sentence = "My name is DEATHVADER, Hello World!!! XD";
char[] vowels = {'a', 'e', 'i', 'o', 'u'};
for (char vowel : vowels) 
  for (char letter : sentence.toLowerCase().toCharArray()) 
    if (letter == vowel) count++;
System.out.println("Number of vowels in the given sentence is " + count);

// I have found another easier method if you guyz don't understand this
// but this is also easy xD.
// here you can see another method:
// https://www.tutorialspoint.com/Java-program-to-count-the-number-of-vowels-in-a-given-sentence
Posted by: Guest on May-15-2021
-1

java program to print vowels in a string

String str = "hello";
String vowels = "aeiou";

for(char c : str) if(vowels.contains(c)) System.out.println(c + "");
Posted by: Guest on April-13-2021
-1

string vowels program in java

import java.util.Scanner;
import java.util.*;

class Test{
    
    public static boolean isVowel(char ch){
        if(ch == 'A' || ch == 'a' || ch == 'E' || ch == 'e' || ch == 'i' || ch == 'I' || ch == 'o' || ch == 'O' || ch == 'u' || ch == 'U'){
            return true;
        }
        return false;
    }
    
    public static void main(String args[]){
        
        Scanner scan = new Scanner(System.in);
        List<String> arr = new ArrayList<String>();
        String str = scan.nextLine();
        String words[] = str.split("\\s");
        
        for(String k: words){
            boolean flag = false;
            boolean f1 = true;
            boolean f2 = true;
            if(k.length()<=2){
                continue;
            }
            for(int i = 0 ; i < k.length() ; i = i + 2){
                if(isVowel(k.charAt(i))==false){
                    f1 = false;
                    break;
                }
            }
            for(int i = 1 ; i < k.length() ; i = i + 2){
                if(isVowel(k.charAt(i))==false){
                    f2 = false;
                    break;
                }
            }
            if(f1 == true || f2 == true){
                flag = true;
            }
            if(flag == true){
                arr.add(k);
            }
        }
        if(arr.size()==0){
            System.out.print(-1);
        }
        else{
            for(int i = 0 ; i < arr.size() ; i++)
            {
                System.out.print(arr.get(i) + " ");
            }
        }
        scan.close();
    }
    
}
Posted by: Guest on May-06-2021

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