Question

code a calling and called method that reverse their actual and formal parameter names.///java

Answer 1

public class ReverseNames {

    public static void reverse(String[] arr) {
        String temp;
        for (int i = 0; i < arr.length / 2; i++) {
            temp = arr[i];
            arr[i] = arr[arr.length - i - 1];
            arr[arr.length - i - 1] = temp;
        }
    }

    public static void print(String[] arr) {
        for (int i = 0; i < arr.length; ++i) {
            System.out.print(arr[i] + " ");
        }
        System.out.println();
    }

    public static void main(String[] args) {
        String[] names = {"ronaldo", "messi", "bale", "hazard"};
        System.out.print("Original array: ");
        print(names);
        reverse(names);
        System.out.print("Reversed array: ");
        print(names);
    }
}