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Java Generics Hackerrank Solution

Java Generics Hackerrank Solution

For Explanation Watch Video:


import java.io.IOException;
import java.lang.reflect.Method;

class Printer
{
   //Write your code here
   public <T> void printArray(T[] arr){
       for(int i=0;i<arr.length;i++){
           System.out.println(arr[i]);
       }
   }
 
}

public class Solution {


    public static void main( String args[] ) {
        Printer myPrinter = new Printer();
        Integer[] intArray = { 123 };
        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!");
      
    }

} 

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