字串依分割符號轉為 Set

//將字串依分割符號轉成 Set<String>

public static Set<String> splitToStringSet(String sourceString, String splitChar) throws Exception {

    Set<String> stringSet = new HashSet<String>();

    String[] stringAry = sourceString.split(splitChar);

    for (int i = 0; i < stringAry.length; i++) {

        stringSet.add(stringAry[i]);

    }

    return stringSet;

}