String reversed = ""; for (int i = length - 1; i >= 0; i--) { reversed += input.charAt(i); } return reversed; }}Let us have a look at how this code works, what output it produces, and why!Class Declarationpublic class StringReversal {Declares...
public static void main(String args[]) { } public static String reverse( String s ) { String text = "Hello"; String reversedTextString = ""; char reversedText[] = new char[text.length()]; for (int i = 0; i < text.length(); i++) { reversedText[i] = text.charAt(text.length...
Here is my complete code program to reverse any String in Java. Inthe main method, we have first usedStringBufferandStringBuildertoreverse the contents of String,and then we wrote our own logic to reverse String. This uses thetoCharArray()method of String class which returns thecharacter array ...
public void testStringReversal(){ ArrayStack stack = new ArrayStack(); String str = "how are you"; char[] cha = str.toCharArray(); for(char c : cha){ stack.push(c); } while(!stack.isEmpty()){ System.out.print(stack.pop()); } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 1...
public String reverseString(String input) { if (input == null || input.isEmpty()) { return input; } return new StringBuilder(input).reverse().toString(); } This approach demonstrates evolving code and tests to handle different scenarios for a string reversal problem, culminating in an optimi...
方法一:使用StringBuilder import java.util.Scanner; public class StrReversal { public static void main...scanner.nextLine(); System.out.println(new StringBuilder(str).reverse()); } } 方法二:使用循环 import java.util.Scanner...[i]; } System.out.println(reverse); } } 方法三:考虑到String不...
10. How to write the string reversal program in Java without using the in-built function?Basic Java Interview Questions1. What is Java, and what makes it popular among developers?Java is a high-level object-oriented programming language developed by Sun Microsystems. Java has some unique feature...
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
*/publicclassStringReversal{/** * Java method to reverse a String in place *@paramstr *@returnreverse of String */publicstaticStringreverse(Stringstr) {if(str==null||str.isEmpty()){returnstr; }char[] characters=str.toCharArray();inti=0;intj=characters.length-1;while(i<j) { ...
new String(charArray); System.out.println(reversePalindrome); } } Running the program produces this output: doT saw I was toD To accomplish the string reversal, the program had to convert the string to an array of characters (firstforloop), reverse the array into a second array (secondfor...