正则表达式,\s表示空格,+表示至少一个空格,这样就可以将多个空格分隔的word提取出来了 1 2 3 4 5 6 7 8 9 10 publicString reverseWords(String s) { String[] words = s.split("\\s+");// regular expression StringBuffer sb =newStringBuffer(); for(inti = words.length -1; i >=0; --i)...
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...
// 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...
public String reverseWords(String s) { StringBuilder result = new StringBuilder(); String[] Words = s.split(" "); int len = Words.length; for(int i=0;i<len;i++){ String Word = Words[i]; int len1 = Word.length(); int l = len1/2; char[] x = Word.toCharArray(); for(int...
1. There is only one space between two words in the reversed string.2. Learn how to use two pointers to get each word.More:【目录】LeetCode Java实现版权声明:本文为weixin_30530339原创文章,遵循 CC 4.0 BY-SA 版权协议,转载请附上原文出处链接和本声明。 本文链接:https://blog.csdn.net/...
【Java】【LeetCode】151. Reverse Words in a String 题目: Given an input string, reverse the string word by word. Example 1: Example 2: Example 3: Note: A word is defined as a sequence of non-space characters. Input string may contai...LeetCode 151. Reverse Words in a String ...
翻转字符串里的单词 | Reverse Words in a String Given an input string, reverse the string word by word. Example: Input: "the sky is blue", ... java基础——字符串中的反转Reverse问题(面试必备) 由于研究了关于字符串(String)的问题,今年就在这里总结一下,首先说一下有关于面试,我想的是,需要...
Given an input string,reverse the string word by word.For example,Given s="the sky is blue",return"blue is sky the". 比较基础的一个题,拿到这个题,我的第一想法是利用vector来存每一个子串,然后在输出,这是一个比较简单的思路,此外,还有第二个思路,就是对所有的字符反转,然后在针对每一个子串反转...
2 public String reverseWords(String str){ 3 String str_result = ""; 4 String str_word = ""; 5 char array_src[] = str.toCharArray(); 6 char array_word[]; 7 int count = 0; 8 int i =array_src.length - 1; 9 int j = i; ...
1. Java Program to Reverse the Characters of a String We canreverse a string by charactereasily, using aStringBuilder.reverse()method. StringblogName="HowToDoInJava.com";Stringreverse=newStringBuilder(string).reverse();System.out.println("Original String -> "+blogName);System.out.println("Rever...