_3136.java

packagecom.fishercoder.solutions.fourththousand;

importjava.util.Arrays;
importjava.util.HashSet;
importjava.util.Set;

publicclass_3136 {
publicstaticclassSolution1 {
publicbooleanisValid(Stringword) {
if (word.length() < 3) {
returnfalse;
 }
Set<Character> vowels =
newHashSet<>(Arrays.asList('a', 'e', 'i', 'o', 'u', 'A', 'E', 'I', 'O', 'U'));
booleancontainsVowel = false;
booleancontainsConsonant = false;
for (charc : word.toCharArray()) {
if (vowels.contains(c)) {
containsVowel = true;
 } elseif (Character.isAlphabetic(c)) {
containsConsonant = true;
 } elseif (!Character.isDigit(c)) {
returnfalse;
 }
 }
returncontainsVowel && containsConsonant;
 }
 }
}