Example: Sort String using Character Array in Java

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// Sort String using Character Array
import java.util.Arrays; // Required for Arrays.sort()

// Main class containing the entry point of the program
public class Main {
    public static void main(String[] args) {
        // Step 1: Define the input string
        String inputString = "programming";
        System.out.println("Original String: " + inputString);

        // Step 2: Convert the string to a character array
        char[] charArray = inputString.toCharArray();

        // Step 3: Sort the character array alphabetically
        // Arrays.sort() uses an efficient sorting algorithm (like dual-pivot quicksort for primitives)
        Arrays.sort(charArray);

        // Step 4: Convert the sorted character array back to a string
        String sortedString = new String(charArray);

        // Step 5: Print the sorted string
        System.out.println("Sorted String: " + sortedString);
    }
}