1、int indexOf(String str) :返回第一次出现的指定子字符串在此字符串中的索引。 2、int indexOf(String str, int startIndex):从指定的索引处开始,返回第一次出现的指定子字符串在此字符串中的索引。 3、int lastIndexOf(String str) :返回在此字符串中最右边出现的指定子字符串的索引。 4、int lastIn...
* How to Reverse a string in Java? * Version: 2.0 */ publicclassCrunchifyReverseString{ publicstaticvoidmain(String[]args){ StringtestString ="Crunchify.com Example"; System.out.println("String: "+ testString); System.out.println("\nSolution1: Reverse Using reverseStringBuffer: "+reverseSt...
importjava.util.Scanner;importjava.lang.StringBuilder;publicclassStringReverse{publicstaticvoidmain(String[]args){// 输入字符串Scannerscanner=newScanner(System.in);System.out.println("请输入一个字符串:");StringinputString=scanner.nextLine();// 字符串反转StringBuilderreversedString=newStringBuilder(inputStr...
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...
import java.util.Scanner; /* * Scanner:用于获取键盘录入数据 * public String nextline():获取键盘录入字符串数据 */ public class ScannerLearn { public static void main(String
Write a Java program to reverse a string using recursion. Visual Presentation: Sample Solution: Java Code: // Importing necessary Java utilities.importjava.util.*;// Define a class named Main.classMain{// Method to reverse a string recursively.voidreverseString(Stringstr1){// Base case: if ...
Reverse a string using stacks in the Main method Following are the steps to reverse a string using stacks in the Main method ? First, import all the classes from the java.util package. We will define the input string. Convert the string into a character array. Push each character into the...
Learn how to reverse a string using recursion in Java with this step-by-step guide. Understand the recursive approach and see practical examples.
LeetCode算法题-Reverse String(Java实现) 这是悦乐书的第205次更新,第217篇原创 01 看题和准备 今天介绍的是LeetCode算法题中Easy级别的第73题(顺位题号是344)。编写一个以字符串作为输入并返回字符串的函数。例如: 输入:“hello” 输出:“olleh”
importjava.util.Collections; classMain { // Method to reverse a string in Java using `Collections.reverse()` publicstaticStringreverse(Stringstr) { // return if the string is null or empty if(str==null||str.equals("")){ returnstr; ...