@@ -0,0 +1,348 @@
+package com.javarush.task.task33.task3310.strategy;%0A%0A/**%0A * Created by Alexey Vedensky on 14.04.2017.%0A * MAIL: avedensky@gmail.com%0A */%0Apublic interface StorageStrategy %7B%0A    boolean containsKey(Long key);%0A    boolean containsValue(String value);%0A    void put(Long key, String value);%0A    Long getKey(String value);%0A    String getValue(Long key);%0A%7D%0A

Task 3310 (2) has done