publicString reverseWords(String s) { String[] words = s.split("\\s+");// regular expression StringBuffer sb =newStringBuffer(); for(inti = words.length -1; i >=0; --i){ sb.append(words[i] +" "); } returnsb.toString().trim();//trim是去除字符串的首尾空格 }...
02 第一种解法 将s按照空格拆分为字符串数组,然后对数组中的每一个元素做翻转,再以空格拼接,作为结果返回。 publicStringreverseWords(Strings) {String[] arr = s.split(" ");StringBuilderresult =newStringBuilder();for(int i=0; i<arr.length; i++) {Stringss = arr[i];StringBuildersb =newStringBui...
// 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...
题目 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. Example 1: Input: "Let's take LeetCode contest" Output: "s'teL ekat edoCteeL tsetnoc" Note: In the string, each word is separated ...
题目:Reverse Words in a String Given an input string, reverse the string word by word. For example, Given s = "the sky is blue", return "blue is sky the". 比较...
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...
Reverse Words in a String LeetCode: 151. Reverse Words in a String 题目描述 Given an input string, reverse the string word by word. Example: Note: 解题思路 获取用空格分割开的单词,然后将他们的倒序插入结果串中。 AC 代码...LeetCode 151. Reverse Words in a String Given an input ...
2. Java Program to Reverse the Words of a String Whilereversing string content by words, the most natural way is to use aStringTokenizerand aStack. As you are aware thatStackis a class that implements an easy-to-uselast-in, first-out (LIFO)stack of objects. ...
Reverse Words in a String -- LeetCode 原题链接:http://oj.leetcode.com/problems/reverse-words-in-a-string/ 这道题是字符串处理的题目,我们先介绍一种很直接的做法,就是类似于java中String::split函数做的操作,把字符串按空格分开,不过我们把重复的空格直接忽略过去。接下来就是把得到的结果单词反转过来...
//Java program to Reverse a Number. import java.util.*; public class ReverseNumber { public static void main(String[] args) { int number; Scanner sc = new Scanner(System.in); //Read Number System.out.print("Enter an integer number: "); number = sc.nextInt(); //calculate reverse ...