Use String charAt method
package net.javaguides.corejava.string; /** * * @author Ramesh Fadatare * */ public class ReverseWithStringChatAt{ public static void main(String[] args) { ReverseWithStringChatAt reverseWithStringBuilder = new ReverseWithStringChatAt(); reverseWithStringBuilder.reverseWithStringBuilder("javaguides"); } public String reverseWithStringChatAt(String string) { final StringBuilder builder = new StringBuilder(); for (int i = (string.length() - 1); i >= 0; i--) { builder.append(string.charAt(i)); } display(string, builder.toString()); return builder.toString(); } private void display(String input, String output) { System.out.println(" input string :: " + input); System.out.println(" output string :: " + output); } }
Output:
input string :: javaguides output string :: sediugavaj
The above is the detailed content of How to reverse characters using String charAt method in java. For more information, please follow other related articles on the PHP Chinese website!