如将字符串 "i am a student."翻转后的结果应该为"student. a am i"
思路：先翻转整个句子，再翻转句子中的单词
两次翻转达到结果（i am a student.）-(.tneduts a ma i)- (student. a am i)
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// 思路：先翻转整个句子，再翻转句子中的单词// 两次翻转达到结果（i am a student.）-(.tneduts a ma i)-// (students a am i)public static void main(String[] args) { String word = "i am a student."; System.out.println("原始字符串："+word); // 1、翻转整个句子 String resultWord=reverse(word.toCharArray()); System.out.println("翻转整个句子后字符串："+resultWord); // 2、翻转句子中的每个单词 String[] array=resultWord.split(" "); System.out.println("翻转句子中每个单词后的字符串："); for
(int i = 0; i < array.length; i++) { array[i]=reverse(array[i].toCharArray()); System.out.print(array[i]+" "); }}/* * 翻转句子 */private
static String reverse(char[] word) { if
(word == null
|| "".equals(word)) { return
null; } else
{ int
start = 0; int
end = word.length - 1; int
middle = (start + end) / 2; char
temp = ‘ ‘; while
(start <=middle && end >= middle) { temp = word[start]; word[start] = word[end]; word[end] = temp; start++; end--; } } return
new String(word);} |
翻转句子内单词的顺序，但单词内字符顺序不变，包括标点,布布扣,bubuko.com
原文：http://www.cnblogs.com/cugb-2013/p/3661361.html