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+package com.orgsin.sbe.application.service;%0A%0Aimport com.orgsin.sbe.domain.model.CryptoCurrency;%0A%0Aimport java.util.List;%0A%0A/**%0A * Created by ogasawara.shinnosuke on 2017/06/21.%0A */%0Apublic interface CryptoCurrencyService %7B%0A    List%3CCryptoCurrency%3E findByModel(CryptoCurrency cryptoCurrency);%0A%0A    CryptoCurrency findById(String id);%0A%0A    CryptoCurrency save(CryptoCurrency cryptoCurrency);%0A%0A    void delete(String id);%0A%7D%0A

Create CryptoCurrencyService.java