// StringBuffer reverseStringBuffer stringBuffer=newStringBuffer();stringBuffer.append("abcdefg");System.out.println(stringBuffer.reverse());// gfedcba// StringBuilder reverseStringBuilder stringBuilder=newStringBuilder();stringBuilder.append("abcdefg");System.out.println(stringBuilder.reverse());// gfedcba...
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...
用name.reverse()和name.replace()。比如说以下代码: package高效处理字符串;publicclassStringBuffers {publicstaticvoidmain(String args[]) { StringBuffer huiwen_str=newStringBuffer(); huiwen_str.append("A man, a plan, a canal, Panama");//这是一段英语的回文句,我们要把他反转String str_huiwen =...
Java String: Exercise-44 with Solution 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.voidreverse...
String str="Hello World"; String revers=newStringBuffer(str).reverse().toString(); System.out.println("字符串反转前:"+str); System.out.println("字符串反转后:"+revers); } } 结果: "C:\Program Files\Java\jdk1.8.0_221\bin\java.exe" "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA...
public static void main(String[] args) { Outer.method().show(); /* Outer.method():意思是:Outer中有一个名称为method的方法,而且这个方法是静态的。 Outer.method().show():当Outer类调用静态的method方法运算结束后的结果又调用了show方法,意味着:method()方法运算完一个是对象,而且这个对象是Inter类型...
s.insert(int index,String str);//将参数str指定的字符序列插入到参数index指定的位置 s.reverse();//翻转字符序列 s.delete(int startIndex,int endIndex);//从当前字符序列中删除一个子字符序列(从start到end),并返回当前对象的引用 s.replace(int startIndex,int endIndex,String str);//将从start到end...
publicstaticString reverseStringUsingRecursionSample(String sampleStr){ StringrightString = "";String leftString = "";intlen = sampleStr.length();if(len <= 1)returnsampleStr; leftString = sampleStr.substring(0, len / 2); rightString = sampleStr.substring(len / 2, len);returnreverseString...
importjava.util.Scanner;publicclassReverseThreeDigitNumber{publicstaticvoidmain(String[]args){Scannerscanner=newScanner(System.in);System.out.print("请输入一个三位数:");intnumber=scanner.nextInt();// 输入的三位数if(number<100||number>999){System.out.println("输入的数字不在三位数范围内!");}el...
1 String VERSION="1.2.0"; Downloading and Caching the Program The next script, jarfetcher.jsh is a bit more complicated. As of now, it is 100 lines. If you want to look at the whole code, it is available on GitHub. You can calculate the URL from the argument of the /open statemen...