How to reverse strings in Java.

Reverse.java

public class Reverse {

    public static void main(String[] args) {
       System.out.println(reverse("Mahmoud")); 
    }

    public static String reverse(String src) {
        StringBuilder builder = new StringBuilder();
        for(int i = src.length() - 1; i >= 0; i--) {
            builder.append(src.charAt(i));
        }
        return builder.toString();
    }


}