Орхан Гасанлы

<c:forEach var="product" items="${listProducts}">
    var product_price =
    ${product.price}
    var product_count =
    ${product.count}
    </c:forEach>

public class University{}
public class Faculty extends University {}
public class Group extends Faculty {}
public class Student extends Group {}

public class University {
private List<Faculty> faculties;
}
public class Faculty{
private List<Group> groups;
}
public class Group{
private List<Student> students;
}
public class Student {}

название транспорта, фамилии рабочих, инстанции, фамилия агента, фамилия заказчика.

Стоит ли заморачиваться, и связывать через ключи таблицы в sql или можно это связать в самом коде через аннотации?

Какие могут быть последствия такой связи?

Какие есть нюансы?

-----------------------------------com.example.Clouds.java-----------------------------------

package com.example;

import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;

public class Clouds {

@SerializedName("all")
@Expose
public int all;

}
-----------------------------------com.example.Coord.java-----------------------------------

package com.example;

import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;

public class Coord {

@SerializedName("lon")
@Expose
public double lon;
@SerializedName("lat")
@Expose
public double lat;

}
-----------------------------------com.example.Example.java-----------------------------------

package com.example;

import java.util.List;
import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;

public class Example {

@SerializedName("coord")
@Expose
public Coord coord;
@SerializedName("weather")
@Expose
public List<Weather> weather = null;
@SerializedName("base")
@Expose
public String base;
@SerializedName("main")
@Expose
public Main main;
@SerializedName("visibility")
@Expose
public int visibility;
@SerializedName("wind")
@Expose
public Wind wind;
@SerializedName("clouds")
@Expose
public Clouds clouds;
@SerializedName("dt")
@Expose
public int dt;
@SerializedName("sys")
@Expose
public Sys sys;
@SerializedName("timezone")
@Expose
public int timezone;
@SerializedName("id")
@Expose
public int id;
@SerializedName("name")
@Expose
public String name;
@SerializedName("cod")
@Expose
public int cod;

}
-----------------------------------com.example.Main.java-----------------------------------

package com.example;

import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;

public class Main {

@SerializedName("temp")
@Expose
public double temp;
@SerializedName("feels_like")
@Expose
public double feelsLike;
@SerializedName("temp_min")
@Expose
public double tempMin;
@SerializedName("temp_max")
@Expose
public double tempMax;
@SerializedName("pressure")
@Expose
public int pressure;
@SerializedName("humidity")
@Expose
public int humidity;

}
-----------------------------------com.example.Sys.java-----------------------------------

package com.example;

import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;

public class Sys {

@SerializedName("type")
@Expose
public int type;
@SerializedName("id")
@Expose
public int id;
@SerializedName("country")
@Expose
public String country;
@SerializedName("sunrise")
@Expose
public int sunrise;
@SerializedName("sunset")
@Expose
public int sunset;

}
-----------------------------------com.example.Weather.java-----------------------------------

package com.example;

import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;

public class Weather {

@SerializedName("id")
@Expose
public int id;
@SerializedName("main")
@Expose
public String main;
@SerializedName("description")
@Expose
public String description;
@SerializedName("icon")
@Expose
public String icon;

}
-----------------------------------com.example.Wind.java-----------------------------------

package com.example;

import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;

public class Wind {

@SerializedName("speed")
@Expose
public int speed;
@SerializedName("deg")
@Expose
public int deg;

}