Charlie has a Magic Mirror Program in Java

Charlie possesses an extraordinary tool in his possession: a magic mirror capable of displaying right-rotated versions of any given word. This mirror offers a unique perspective, revealing fascinating transformations of words. In this blog post, we’ll delve into the Java code that produces these right-rotations, exploring how Charlie’s mirror brings about these linguistic metamorphoses.

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Understanding Right Rotations:

The process to generate different right-rotations of a word is straightforward. First, imagine writing the word in a circular fashion, moving clockwise. Then, starting from any character, read the word in a clockwise manner until all characters are covered.

Breaking Down the Code:

Let’s examine the Java code responsible for generating these right-rotations:

import java.util.ArrayList;
import java.util.List;
public class MagicMirror {
    public static void main(String[] args) {
        String word = "gwen";
        List<String> rotations = generateRotations(word);
        System.out.println("Original word: " + word);
        System.out.println("Rotations:");
        for (String rotation : rotations) {
            System.out.println(rotation);
        }
    }
    public static List<String> generateRotations(String word) {
        List<String> rotations = new ArrayList<>();
        int n = word.length();
        for (int i = 0; i < n; i++) {
            String rotatedWord = word.substring(n - i) + word.substring(0, n - i);
            rotations.add(rotatedWord);
        }
        return rotations;
    }
}

Here’s how the code works:

• The generateRotations method accepts a word as input.
• It initializes an empty list called rotations to store the rotated versions of the word.
• A loop iterates through each character position in the word, creating a rotated version by slicing and reordering the characters.
• The rotated word is then added to the rotations list.
• Finally, the method returns the list of rotations.

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Example Usage:

Let’s see an example using the word “gwen”:

Original word: gwen
Rotations:
ngwe
engw
weng
wwen

Feel free to replace the example word with any other word to explore further through Charlie’s magic mirror.

Conclusion:

Exploring right rotations offers a playful way to comprehend the permutations of a word. Charlie’s magic mirror, simulated through Java, opens a window into the captivating realm of linguistic transformations. Whether you’re a language enthusiast or a Java developer, experimenting with right rotations can be both enjoyable and enlightening. Take a moment to try it out yourself and unlock the magic concealed within words!