// Importing necessary Java utilities.importjava.util.*;// Define a class named Main.publicclassMain{// Method to reverse words in a given string.publicstaticStringWordsInReverse(Stringstr1){// Create a StringBuilder object and reverse the entire string.StringBuildersb=newStringBuilder(str1);Strin...
publicString reverseWords(String s) { if(s ==null|| s.length() ==0) returns; intindex =0;//the pointer to traverse intlen = s.length(); Stack<String> stack =newStack<String>();//堆栈,先进后出,顺序存入单词,逆序输出 StringBuilder sBuilder =newStringBuilder();//记录每一个单词 char[...
Reverse Words in a String (JAVA) Given an input string, reverse the string word by word. For example, Given s = "the sky is blue", return "blue is sky the". 1publicclassSolution {2publicString reverseWords(String s) {3if(s.equals(""))returns;4String arr[]=s.split(" ");5Strin...
151. Reverse Words in a String Given an input string, reverse the string word by word. Example 1: Input: "the sky is blue" **Output: **"blue is sky the" Example 2: Input: " hello world! " **Output: **"world! hello" Explanation: Your reversed string should not contain leading...
LeetCode Top Interview Questions 557. Reverse Words in a String III (Java版; Easy) 题目描述 Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order. ...
LeetCode 151. Reverse Words in a String (Java版; Medium) 题目描述 Given an input string, reverse the string word by word. Example 1: Input: "the sky is blue" Output: "blue is sky the" Example 2: Input: " hello world! "
考虑几个特殊的情况 1.若字符窜s=" " 2.字符窜s=“a b d e” 3.字符窜s=“ a”然后在s后面+上一个‘ ’,每次遇到s[i]为空格,s[i-1]不为空格的时候为一个单词 class Solution { public: void reverseWords(string &s)...
void reverseWords(string &s) { s = removeDuplicateSpace(s); int begin = 0; int end = 0; while(end < s.size()){ if(s[end] == ' '){ swapString(s, begin, end - 1); begin = end+1; end = begin; } else{ end++; } } swapString(s, begin, end - 1)...
Java Code: // Importing the required Java utilities packageimportjava.util.*;// Defining a class named SolutionpublicclassSolution{// Method to reverse the words in a given stringpublicstaticStringreverse_str_word(Stringinput_sentence){// Checking if the input string is nullif(input_sentence==nu...
java Given an input string, reverse the string word by word. For example, Given s = "the sky is blue", return "blue is sky the". publicclassSolution{/* *@params: A string *@return: A string */publicString reverseWords(String s) {// write your code hereif(s.length() ==0|| ...