字符串单词顺序反转

对给定字符串中，单词倒序输出

        String s = "I want to  go   home";        String[] ss = s.split(" ");        StringBuffer r = new StringBuffer();        for(int i = ss.length-1;i>=0;i--){            r.append(ss[i]).append(" ");        }        System.out.println(r);home   go  to want I 

参考：http://bbs.csdn.net/topics/240080341