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[...
Write a Java program to reverse words in a given string. Visual Presentation: Sample Solution-1: Java Code: // Importing necessary Java utilities.importjava.util.*;// Define a class named Main.publicclassMain{// Method to reverse words in a given string.publicstaticStringWordsInReverse(String...
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(" ");5String new_word="";6for(inti=arr.len...
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...
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" ...
Count Words in a String using Java program //Java program to count words in a string.importjava.util.Scanner;classCountWords{publicstaticvoidmain(Stringargs[]){Stringtext;intcountWords=0;Scanner SC=newScanner(System.in);System.out.print("Enter string: ");text=SC.nextLine();//word countfor...
from the user// Asking the user to input a stringSystem.out.print("Input a string: ");Stringinput=scanner.nextLine();// Reading the input string from the user// Displaying the result by reversing the words in the input stringSystem.out.println("\nResult: "+reverse_str_word(input));}...
// Java program to demonstrate few functions of // ArrayDeque in Java import java.util.*; public class ArrayDequeDemo { public static void main(String[] args) { // Intializing an deque Deque<Integer> de_que = new ArrayDeque<Integer>(10); // add() method to insert de_que.add(10); ...
Program to find last index of any character in string in Java importjava.util.Scanner;publicclassStringLastValue{publicstaticvoidmain(String[]arg){// create object of string and scanner class.StringS;Scanner SC=newScanner(System.in);// enter the string.System.out.print("Enter the string :...
Program In this post, we will see how to find number of words in a String. Problem Find the number of words in a String. For example: There are 6 words in below String welcome to java tutorial on Java2blog Algorithm The algorithm will be very simple. Initialize count with 1 as if ...