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This article mainly introduces LeetCode how to flip the words in the string, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand it.

0x01, brief description of the problem

Given a string, you need to reverse the character order of each word in the string while still retaining the initial order of spaces and words.

0x02, exampl

Example:

Input: "Let's take LeetCode contest" output: "s'teL ekat edoCteeL tsetnoc"

Tip:

In a string, each word is separated by a single space, and there are no additional spaces in the string.

0x03, ideas for problem solving

Using the existing data structure to realize string flipping

0x04, problem solving procedure

Public class ReverseWordsTest3 {public static void main (String [] args) {String str = "Let's take LeetCode contest"; String reverseWords = reverseWords (str); System.out.println ("reverseWords =" + reverseWords);}

Public static String reverseWords (String s) {if (s = = null | | s.length () = 0) {return s;} String [] strings = s.split (""); StringBuilder stringBuilder = new StringBuilder (s.length ()); for (String S1: strings) {StringBuilder t = new StringBuilder (); t.append (S1) StringBuilder.append (t.reverse (). ToString ()); stringBuilder.append ("");} return stringBuilder.substring (0heroine stringBuilder. Length ()-1);}}

0x05, photo version of the problem solving program

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