import java.util.LinkedHashMap;import java.util.Map;public class MaxSizeHashMap<K, V> extends LinkedHashMap<K, V> {    private final int maxSize;    public MaxSizeHashMap(int maxSize) {        this.maxSize = maxSize;    }    //    //Returns true if this map should remove its eldest entry.     //This method is invoked by put and putAll after inserting a new entry into the map.     //It provides the implementor with the opportunity to remove the eldest entry each time a new     //one is added. This is useful if the map represents a cache:     //    it allows the map to reduce memory consumption by deleting stale entries.     //    @Override    protected boolean removeEldestEntry(Map.Entry<K, V> eldest) {        return size() > maxSize;    }}