Java by API/org.apache.commons.lang/CharSet

CharSet: contains(char ch)

/*
String >>The quick brown fox jumps over the lazy dog.
Number of vowels in the string is 11 */
import org.apache.rumons.lang.CharSet;
public class VowelCharSetTrial {
  public static void main(String[] args) {
    // Create a new vowel character set
    CharSet vChs = CharSet.getInstance("aeiou");
    String strTest = "The quick brown fox jumps over the lazy dog.";
    int iVowelCnt = 0;
    int iTestLen = strTest.length();
    for (int i = 0; i < iTestLen; i++) {
      if (vChs.contains(strTest.charAt(i))) {
        iVowelCnt++; // increment count on a vowel being found
      }
    }
    System.out.println("String >>" + strTest);
    System.out.println("Number of vowels in the string is " + iVowelCnt);
  }
}

CharSet.getInstance(String set)

/*
String >>The quick brown fox jumps over the lazy dog.
Number of vowels in the string is 11 */
import org.apache.rumons.lang.CharSet;
public class VowelCharSetTrial {
  public static void main(String[] args) {
    // Create a new vowel character set
    CharSet vChs = CharSet.getInstance("aeiou");
    String strTest = "The quick brown fox jumps over the lazy dog.";
    int iVowelCnt = 0;
    int iTestLen = strTest.length();
    for (int i = 0; i < iTestLen; i++) {
      if (vChs.contains(strTest.charAt(i))) {
        iVowelCnt++; // increment count on a vowel being found
      }
    }
    System.out.println("String >>" + strTest);
    System.out.println("Number of vowels in the string is " + iVowelCnt);
  }
}