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...
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...
On Crunchify, we have published more than 500 Java Tutorials and in this tutorial we will go over steps on how to reverse a string in Java? There are 7
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...
第一个问题：String没有reverse方法，你可以 转成StringBuffer后调用 第二个问题：s不会变成StringBuffer，因为s没有参与转换。String s="abcd"; //定义一个String类型 StringBuffer sb =new StringBuffer(s);//转成StringBuffer将s添加进去 System.out.println(sb.reverse().toString());//输出转换...
indexCoder = mix(indexCoder, s2);byte[] buf = newArray(indexCoder);// prepend each argument in reverse order, since we prepending// from the end of the byte arrayindexCoder = prepend(indexCoder, buf, s2); indexCoder = prepend(indexCoder, buf, s1);// 返回新建的String对象returnnewStrin...
import java.util.*; class ReverseString { public static void main(String args[]) { //declaring string objects String str="",revStr=""; Scanner in = new Scanner(System.in); //input string System.out.print("Enter a string :"); str= in.nextLine(); //get length of the input s...
importjava.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 */ publicclassScannerLearn{ publicstaticvoidmain(String[] args){ Scannersc=newScanner(System.in); System.out.println("请输入数据:"); ...
Reverse String using StringBuilder StringblogName="How To Do In Java";StringreverseString=newStringBuilder(blogName).reverse().toString();Assertions.assertEquals("avaJ nI oD oT woH",reverseString);
Input string: Java Program Output Reversed string: margorP avaJ Advertisement - This is a modal window. No compatible source was found for this media. Different Approaches Below are the different approaches to reverse a string using stacks ? Reverse a string using stacks in the Main method Reve...