HR자바 Java Generics

개요[ | ]

HR자바 Java Generics

해커랭크 Java
#	문제	비고
HR자바 Data Structures e
28	HR자바 Java 1D Array
29	HR자바 Java 2D Array
30	HR자바 Java Subarray
31	HR자바 Java Arraylist
32	HR자바 Java 1D Array (Part 2)
33	HR자바 Java List
34	HR자바 Java Map
35	HR자바 Java Stack
36	HR자바 Java Hashset
37	HR자바 Java Generics
38	HR자바 Java Comparator
39	HR자바 Java Sort
40	HR자바 Java Dequeue
41	HR자바 Java BitSet
42	HR자바 Java Priority Queue

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

class Printer
{
   //Write your code here
    public static <E> void printArray(E[] arr) {
        for( E el: arr ) {
            System.out.println(el);
        }
    }
}

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!");
    }
}