Solution.java

import java.lang.reflect.Method;

class Printer {
    protected <T> void printArray(T[] arr) {
        for (T t : arr) {
            System.out.println(t);
        }
    }
}

public class Solution {


    public static void main(String args[]) {
        Printer myPrinter = new Printer();
        Integer[] intArray = {1, 2, 3};
        String[] stringArray = {"Hello", "World"};
        myPrinter.printArray(intArray);
        myPrinter.printArray(stringArray);
        int count = 0;

        for (Method method : Printer.class.getDeclaredMethods()) {
            String name = method.getName();

            if (name.equals("printArray"))
                count++;
        }

        if (count > 1) System.out.println("Method overloading is not allowed!");

    }
}