Add new APIs to StringUtils (countLowerCase, countUpperCase, countDigits)
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Key: LANG-573
URL: https://issues.apache.org/jira/browse/LANG-573
Project: Commons Lang
Issue Type: New Feature
Reporter: Alvin Chee
private static int countUpperCase(String s) {
int cLen = s.length();
int count = 0;
for (int i = 0; i < cLen; i++) {
if (Character.isUpperCase(s.charAt(i)))
count++;
}
return count;
}
private static int countLowerCase(String s) {
int cLen = s.length();
int count = 0;
for (int i = 0; i < cLen; i++) {
if (Character.isLowerCase(s.charAt(i)))
count++;
}
return count;
}
private static int countDigits(String s) {
int cLen = s.length();
int count = 0;
for (int i = 0; i < cLen; i++) {
if (Character.isDigit(s.charAt(i)))
count++;
}
return count;
}
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