day-21-generics.java

import java.lang.reflect.Method;

class Solution {

    public static <E> void printArray (E[] array) {
        for (E element : array) {
            System.out.println(element);
        }
    }

     public static void main(String args[]) {
        Integer[] intArray = { 1, 2, 3 };
        String[] stringArray = { "Hello", "World" };
        
        printArray( intArray  );
        printArray( stringArray );
        
        if (Solution.class.getDeclaredMethods().length > 2) {
            System.out.println("You should only have 1 method named printArray.");
        }
    }
}