package java.util; import java.util.HashMap; public class WeakHashMap<K, V> extends HashMap<K, V> { private static final long serialVersionUID = -6255993066795301169L; public WeakHashMap(int initialCapacity, float loadFactor) { super(initialCapacity, loadFactor); } public WeakHashMap(int initialCapacity) { super(initialCapacity); } public WeakHashMap() { super(); } }