Example: Reverse String using charAt and Concatenation in Java

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// Reverse String using charAt and Concatenation
public class Main {
    public static void main(String[] args) {
        String originalString = "hello";
        String reversedString = "";

        // Step 1: Iterate through the original string from the beginning to the end
        for (int i = 0; i < originalString.length(); i++) {
            // Step 2: Get the character at the current index
            char character = originalString.charAt(i);
            // Step 3: Prepend the character to the reversed string
            reversedString = character + reversedString;
        }

        System.out.println("Original String: " + originalString);
        System.out.println("Reversed String: " + reversedString);
    }
}