Java Utililty Methods String Upper Case

Description

The list of methods to do String Upper Case are organized into topic(s).

Method

String

toUpperCaseUnderscore(String text)
to Upper Case Underscore

text = text.toUpperCase().trim();
text = text.replace(WHITESPACE, "_");
return text;

String

toUpperCaseWithUnderscores(String className)
to Upper Case With Underscores

StringBuilder sb = new StringBuilder();
for (char c : className.toCharArray()) {
    if (c >= 'A' && c <= 'Z' && sb.length() > 0) {
        sb.append('_').append(c);
    } else {
        sb.append(Character.toUpperCase(c));
return sb.toString();

String

toUpperCaseWithUnderscores(String str)
to Upper Case With Underscores

return null;