消除字符串中的空格

    public static String getTrimString(String str)
    {
        StringBuffer sb = new StringBuffer("");
        String myString = str.trim();
        if (myString.contains(" "))
        {
            sb.append(myString.substring(0, myString.indexOf(" ")));
            myString = myString.substring(myString.indexOf(" "),
                    myString.length());
            sb.append(getTrimString(myString)).toString();
        }
        else
        {
            sb.append(myString);
        }
        return sb.toString();
    }