Added missing javadoc in assignment

/**

 * Cache interface

 * @author Jakub Cechacek

 *

 * @param <K> Key type

 * @param <V> Value type

 */

public interface Cache<K, V> {

    /**

     * Retrieves object from cache

     * @param key key under which the object is stored

     * @return

     * @return object stored under given key

     */

    V get(K key);

package cz.muni.fi.pb162.hw02;

/**

 *

 * Interface for cache factories

 * @author Jakub Cechacek

 *

 * @param <K> Key type

 * @param <V> Value type

 */

public interface CacheFactory<K, V> {

    /**

     * Creates an instance of a cache

     * @param type type of the cache

     * @param size size of the cache

     * @return cache

     */

    Cache<K, V> create(CacheType type, int size);

}