JAVA分享篇（25）基础知识大总结
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JAVA分享篇（25）基础知识大总结
代码如下：
实体类
package cn.itsource.domain;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
/**
* @author : pankun
* @Version : 1.0
**/
@Data
@NoArgsConstructor
@AllArgsConstructor
public class ShopInfo {
/**
* 商品名称
*/
private String name;
/**
* 商品价格
*/
private String price;
/**
* 商品产地
*/
private String address;
服务接口
package cn.itsource.provider;
/**
* @author : pankun
* @Version : 1.0
**/
public interface ShopService {
String getShopInfoById(int a);
}
服务实现类
package cn.itsource.provider;
import cn.itsource.domain.ShopInfo;
import java.util.HashMap;
/**
* @author : pankun
* @Version : 1.0
*
**/
public class ShopServiceImpl implements ShopService {
private static HashMap<Integer, ShopInfo> map = new HashMap<Integer, ShopInfo>();
static {
map.put(1, new ShopInfo(“苹果”, “5”,”四川”));
map.put(2, new ShopInfo(“香蕉”, “6”,”海南”));
map.put(3, new ShopInfo(“芒果”, “8”,”云南”));
}
@Override
public String getShopInfoById(int a) {
return map.get(a).toString();
}
}
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