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Python does have a slicing operator to reverse a string or list.

Example:

"foobar"[::-1]   # raboof

Is there such a way exist in Ruby where we can step in reverse order ?

EDIT: I am not looking for a string reverse solution using Ruby reverse or reverse! or any other logic. I only wanted to know if there is any slicing operator exists in Ruby like Python.So it is not duplicate of String Reverse Question .

Any insight about this in Ruby would be appreciated. Thank you.

Please forgive my extremely limited experience in Java. I am taking a basic Java course at school, and we are working on our first project. I have done a bit of research on what I need to get done, but I couldn't find something that applies to my problem. I need to make a program that reverses a string completely. We cannot use any String class other than String; no StringBuffer or StringBuilder. We also need to do it through input and message boxes, rather than the console. What is wrong with my code?

/*ReverseString*/import java.util.*;import javax.swing.JOptionPane;public class ReverseString{    public static void main (String[] args);    {        String str;        for(int i = str.length() - 1; i >= 0;  i--)            System.out.print(str.charAt(i));        System.out.println();    }}

The output I received states an error on line 11. Error: missing method body, or declare abstract

Thanks for helping, and again, I apologize if it's something obvious. We just started learning two weeks ago.

[UPDATE]

I have taken some of your advice, now I'm getting another error.

/*ReverseString*/import java.util.*;import javax.swing.JOptionPane;public class ReverseString{  public static void main (String[] args)      {    String str = "";    int frame = 0;    JOptionPane.showInputDialog(frame, "Input a string.");    for(int i = str.length() - 1; i >= 0;  i--)    JOptionPane.showMessageDialog(frame, "Your reversed string is " + str);       }}

Error is on line 17. Here's the exact output, for the person who asked for it earlier.

1 error found: File: C:\Users\mpach0928\ReverseString.java [line: 17] Error: incompatible types: int cannot be converted to java.awt.Component

How do you reverse a string in place (or in-place) in JavaScript when passed to a function with a return statement? All without using the built-in functions? .reverse(), .charAt(), etc.

I am trying to make a program which takes in a input of "Hello" and outputs "olleH" from reversing the order of the characters. However I keep getting a segmentation fault and I don't understand why

#include <stdio.h>#include<string.h>int main(){       int i;    int size;    char s[100],a[100];    printf("Enter the word you want to get reversed: ");    scanf("%s",s);    while(s[i]!='\0') {   a[i]=s[i];     i++; }size=sizeof(s);    while(i<sizeof(s))    {        s[i]=a[size];    }    printf("The reversed string is : %s",s);}

I have tried writing the logic for reversing each word in a string with single loop but I didn't get it to work. Can you please provide the logic to reverse every word in a string using single loop and without using reverse function.

Input:

Welcome to the world

Output:

emocleW ot eht dlrow

My Logic with two loops:

class Program    {        static void Main(string[] args)        {            string input = string.Empty;            input = Console.ReadLine();            string[] strarr=input.Split(' ');            StringBuilder sb = new StringBuilder();            foreach (string str in strarr)            {                sb.Append(fnReverse(str));                sb.Append(' ');            }            Console.WriteLine(sb);            Console.Read();        }        public static string fnReverse(string str)        {            string result = string.Empty;            for (int i = str.Length-1; i >= 0; i--)                result += str[i];            return result;        }    }