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
java string reverse java string reverse函数 1.利用StringBuffer里的reverse()方法 虽然String和StringBUffer都能操作字符串,但是不属于同一个类,不能直接兼容 StringBuffer()将String类型的str转换为StringBuffer,方便调用reverse()方法。 toString()将StringBuffer类型转换为String类型 2.最快的方式StringBuilder StringB...
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
In this article we will show you the solution of how to reverse a string in java, you can start by utilising the getBytes() function to turn the input string into a byte array in order to reverse a string in Java. Advertisement
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; /* * 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:"); ...
import java.util.Scanner; public class ReverseString { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.out.print("Enter a string: "); String str = scanner.nextLine(); // 使用StringBuilder类反转字符串 StringBuilder builder = new StringBuilder(str);...
Reverse a string using stacks in the Main method Following are the steps to reverse a string using stacks in the Main method ? First, import all the classes from the java.util package. We will define the input string. Convert the string into a character array. Push each character into the...
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...