publicStringreverseUsingStringBuilder(Stringstr){returnnewStringBuilder(str).reverse().toString();} 1. 2. 3. 方法B:使用循环 publicStringreverseUsingLoop(Stringstr){StringBuilderreversed=newStringBuilder();for(inti=str.length()-1;i>=0;i--){reversed.append(str.charAt(i));}returnreversed.toString(...
首先,我们需要导入StringBuilder类: importjava.lang.StringBuilder; 1. 然后,我们可以使用以下代码将字符串反转: StringBuilderreversedString=newStringBuilder(inputString);reversedString.reverse(); 1. 2. 在这段代码中,我们创建了一个StringBuilder对象reversedString,并将原始字符串inputString传递给它。然后,我们调用了...
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...
你这种情况 首先需要把String转换成StringBuffer然后才能调用reverse()，如果转换成StringBuffer后返回结果就是为StringBuffer。String s ="abc";StringBuffer s2=new StringBuffer(sb);System.out.println(s2.reverse());reverse()方法表示的是将一个输入流倒叙输出。举例：StringBuffer sb =new StringBu...
import java.util.Stack; import java.util.StringTokenizer; public class StringReverse { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub String s="hello world!"; method(s); //适用于英文短句单词倒叙输出 ...
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 ...
* 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...
util.*; public class ReverseString { public static void main(String[] args) { System.out.println("Required packages have been imported"); String input_string = "Java Program"; System.out.println("The string is defined as " +input_string); char[] reverse = new char[input_string.length(...
string reverse函数 java java string操作函数,substring()截取字符串1、str=str.substring(intbeginIndex);截取掉str从首字母起长度为beginIndex的字符串,将剩余字符串赋值给str;2、str=str.substring(intbeginIndex,intendIndex);截取str中从beginIndex开始至endInd