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...
StringBuilder stringBuilder = new StringBuilder("Hello"); String str = stringBuilder.toString(); 要将StringBuilder中的字符顺序反转,可以使用StringBuilder的reverse()方法。该方法会将StringBuilder对象中的字符顺序进行反转。 示例代码: 代码语言:txt 复制 StringBuilder stringBuilder = new StringBuilder("Hello"); s...
Java Code: // 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...
String 和StringBuilder区别: 1 String对象恒定不变,stringbuilder对象表示的字符串是可变的 每一次修改...
Java.Lang Assembly: Mono.Android.dll Reverses the order of characters in this builder. C# [Android.Runtime.Register("reverse","()Ljava/lang/StringBuilder;","")]publicJava.Lang.StringBuilderReverse(); Returns StringBuilder Attributes RegisterAttribute ...
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(...
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...
门头沟学院 Java 找实习 今天和一个公司,他先问我,怎么输出字符串的数组,然后我回答说是for或者foreach , stream流,然后问我怎么合并, 然后我说使用StringBuffer , StringBuilder,然后他说不对,要使用api,然后就没有下文。 查看2道真题和解析 点赞 评论 收藏 分享 今天10:24 ...