Here you can find the source of isCapitalizedCase(CharSequence source, char... delimiters)
public static boolean isCapitalizedCase(CharSequence source, char... delimiters)
//package com.java2s; import static java.lang.Character.*; public class Main { public static boolean isCapitalizedCase(CharSequence source, char... delimiters) { return !isEmpty(source) && equals(capitalizedCase(source.toString(), delimiters), source); }//www . ja v a2 s . co m public static boolean isEmpty(CharSequence source) { return source == null || source.length() == 0; } public static boolean equals(CharSequence source1, CharSequence source2) { return source1 == null ? source2 == null : source1.equals(source2); } public static String capitalizedCase(CharSequence source) { return capitalizedCase(source, null); } public static String capitalizedCase(CharSequence source, char... delimiters) { int delimitersCount = delimiters == null ? -1 : delimiters.length; if (isEmpty(source) || delimitersCount == 0) { return source.toString(); } char[] buffer = source.toString().toLowerCase().toCharArray(); boolean capitalizeNext = true; for (int i = 0; i < buffer.length; i++) { char ch = buffer[i]; if (isDelimiter(ch, delimiters)) { capitalizeNext = true; } else if (capitalizeNext) { buffer[i] = toTitleCase(ch); capitalizeNext = false; } } return new String(buffer); } public static boolean isDelimiter(char ch, char[] delimiters) { if (delimiters == null) { return Character.isWhitespace(ch); } for (char delimiter : delimiters) { if (ch == delimiter) { return true; } } return false; } }