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[...
1publicclassSolution {2publicString reverseWords(String s) {3if(s.equals(""))returns;4String arr[]=s.split(" ");5String new_word="";6for(inti=arr.length-1;i>=0;i--)7{8if(arr[i].equals(""))continue;9new_word+=arr[i]+" ";10}11new_word=new_word.toString().trim();12re...
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 by si...
Given an input string, reverse the string word by word. For example, Given s = "the sky is blue", return "blue is sky the". 1 public class Solution_Reserse { 2 public String reverseWords(String str){ 3 String str_result = ""; 4 String str_word = ""; 5 char array_src[] = ...
RegisterAttributeJavaTypeParametersAttribute Remarks Returns a comparator that imposes the reverse ordering of the specified comparator. If the specified comparator isnull, this method is equivalent to#reverseOrder()(in other words, it returns a comparator that imposes the reverse of the <em>natural ...
557. Reverse Words in a String III Easy 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" ...
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string.reverse.deleteCharAt(reverse.length()-1);returnreverse.toString();}// Main method to execute the program.publicstaticvoidmain(String[]args){Stringstr1="Reverse words in a given string";// Given input string.// Display the given string.System.out.println("The given string is: "+str...
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. ...