package com.bloch.item6;

import java.util.Map;
import java.util.WeakHashMap;

/**
 * Created by bubu on 4/19/14.
 */
public class TestDriver {
    public static void main(String[] args) {
        Map<Object, String> map = new WeakHashMap<>();
        Object c1 = new Object();
        map.put(c1, "1");

        c1 = null;

        for (int i = 0; i < 100000; i++) {
            if (map.size() != 0) {
                System.out.println("At iteration " + i + " the map still holds the reference on someDataObject");
            } else {
                System.out.println("somDataObject has finally been garbage collected at iteration " + i + ", hence the map is now empty");
                break;
            }
        }
    }

}