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...
publicstaticvoidmain(String[] args){ Scannersc=newScanner(System.in); System.out.println("请输入数据:"); Stringline=sc.nextLine(); System.out.println("您输入的数据是:"+line); /* * String构造方法 * public String() 创建空白字符串对象 * public String(char[] chs) 根据字符数组的内容,来创...
2. Reverse usingStringBuilder.reverse() We can also reverse a string easily, using aStringBuilder.reverse()method. Thereverse()method causes the characters of String to be replaced by the reverse of the sequence. Reverse String using StringBuilder StringblogName="How To Do In Java";Stringreverse...
// Importing necessary Java utilities.importjava.util.*;// Define a class named Main.publicclassMain{// Method to reverse words in a given string.publicstaticStringWordsInReverse(Stringstr1){// Create a StringBuilder object and reverse the entire string.StringBuildersb=newStringBuilder(str1);Strin...
String.valueOf(), public static String valueOf(Object obj) { return (obj == null) ? "null" : obj.toString(); } 1. 2. 3. java源码 package java.lang; public final class StringBuilder extends AbstractStringBuilder implements java.io.Serializable, CharSequence ...
Java解法一: publicclassSolution {publicString reverseWords(String s) {intstoreIndex = 0, n =s.length(); StringBuilder sb=newStringBuilder(s).reverse();for(inti = 0; i < n; ++i) {if(sb.charAt(i) != ' ') {if(storeIndex != 0) sb.setCharAt(storeIndex++, ' ');intj =i;while(...
publicclassSolution{/* *@params: A string *@return: A string */publicString reverseWords(String s) {// write your code hereif(s.length() ==0|| s ==null){return""; }//按照空格将s切分String[]array= s.split(" "); StringBuilder sb =newStringBuilder();//从后往前遍历array,在sb中插...
Namespace: Java.Lang Assembly: Mono.Android.dll Reverses the order of characters in this builder. C# 复制 [Android.Runtime.Register("reverse", "()Ljava/lang/StringBuilder;", "")] public Java.Lang.StringBuilder Reverse(); Returns StringBuilder Attributes RegisterAttribute Remarks Portions of...
StringBuilderstringBuilder=newStringBuilder();// Creating a StringBuilder to store the reversed stringString[]words=input_sentence.split(" ");// Splitting the input sentence into words based on spaces// Loop to append words in reverse order to the StringBuilderfor(inti=words.length-1;i>=0;i--...
The interviewees may ask you to write various ways to reverse a string, or they might ask you to reverse a string without using built-in methods, or they might even ask you to reverse a string using recursion. There are occasions where it is simpler to write problems involving regular exp...