Camel Case string in Java

This Java method accepts a camel case string, and returns a linked list of splitted strings. It has been designed to handle various kinds of different cases and fully tested and good to use. Handling camel case in Java involves a lot of styles, this methods can handle the following cases: Regular camel case names, e.g., ?camelCaseName? -> [camel, Case, Name] Single word class names, e.g., ?Classname? -> [Classname] All lower case names, e.g., ?lower? -> [lower] All upper case names, e.g., ?UPPER? -> [UPPER] speical cases, e.g., ?speicalCASE? -> [speical, CASE] If you want to handle numbers in camel case names, you can simple add number?s index in the following code below, which is very straightforward. (see comment in the code*///accept a string, like aCamelString//return a list containing strings, in this case, [a, Camel, String]

SOURCE : NumberComplement.java

import java.util.LinkedList;
public class CamelCaseString {

 public static LinkedList splitCamelCaseString(String s) {

  char[] cArray = s.toCharArray();

  LinkedList al = new LinkedList();
  al.add(0);

  // get all upper case letter index positions
  for (int i = 1; i < cArray.length; i++) {
   char c = cArray[i];
   // add more interested index beyond upper case letter
   if (c >= 65 && c <= 90) {
    al.add(i);
   }
  }

  LinkedList strl = new LinkedList();

  // this handles the all lower letter case
  if (al.size() == 1) {
   strl.add(s);
   return strl;
  }

  int prev = 0;
  int curr = 0;
  int begin = 0;
  for (int k = 1; k < al.size(); k++) {

   curr = al.get(k);

   if (curr == s.length() - 1) {

   }

   if (curr == prev + 1 && curr != s.length() - 1) {
    prev = curr;
   } else if (curr == prev + 1 && curr == s.length() - 1) {
    strl.add(s.substring(begin, curr + 1));
   } else {

    strl.add(s.substring(prev, curr));
    prev = curr;
    begin = curr;
    if (k == al.size() - 1) {
     strl.add(s.substring(curr, s.length()));
    }
   }
  }

  return strl;
 }

 public static void main(String[] args) {

  String s = "SamSung CamelString , specialCase";

  System.out.println(splitCamelCaseString(s));
 }

}

OUTPUT

[Sam, Sung , Camel, String , special, Case]

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