Collection.toArray() java.lang.ClassCastException

Question

import java.util.HashMap;
import java.util.Map;


public class Main
{
    public static void main(String[] args)
    {
        Map map=new HashMap&l         


        

Answer 1

Use this code for listing out the values of map i.e. class names:

Object[] array = map.values().toArray();
for (Object object : array) {
    System.out.println(object.toString());
}