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ricky-lim/countVowelAndConsonant.java

Created March 30, 2022 11:48
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Count vowels and consonants
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countVowelAndConsonant.java
import java.util.List;
import java.util.stream.Collectors;
class Scratch {
public static void countVowelAndConsonant(String s) {
String VOWELS = "aeiouy";
String normalized = s.toLowerCase().trim();
List<Integer> letters = normalized.chars()
.filter(Character::isAlphabetic)
.boxed()
.collect(Collectors.toList());
long vowelCount = letters.stream()
.filter(c -> VOWELS.indexOf(c) != -1)
.count();
long consonantCount = (long) letters.size() - vowelCount;
System.out.println(vowelCount + " vowels" + " in " + s);
System.out.println(consonantCount + " consonants" + " in " + s);
System.out.println();
}
public static void main(String[] args) {
String s1 = "Hello";
String s2 = "There is a quiet Mouse";
String s3 = "I am Happy";
countVowelAndConsonant(s1);
countVowelAndConsonant(s2);
countVowelAndConsonant(s3);
}
}
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