用java写一个英文句子反转的方法
/*** 要求：将一个英文句子反转， e.g. much. very you love I => I love you very much.* 但不能使用String的库函数：split,indexOf,lastIndexOf,subString* */package ceshi;public class Reverse { public static void main(String[] args){String str = "much. very you love I";System.out.println(reverse(str)); }public static String reverse(String s){ int pos=0; StringBuilder sb=new StringBuilder(); for(int i=0;i<s.length();i++){ char c=s.charAt(i); if(c==' '){ pos=0; } sb.insert(pos, c); if(c!=' '){ pos++; } } return sb.toString(); }}
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