public static final String KEY = "item"; /** Response */ private int id; private String title; private String description; public static void get(int id, hogehoge...){ //͖ͬ͞ͷίʔυ } } public class Item implements Serializable { public static final String KEY = "item"; /** Response */ private int id = Models.INVALID_INT; private String title; private String description; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public String getDescription() { return description; } public void setDescription(String description) { this.description = description; } public static void get(int id, hogehoge...) { //͖ͬ͞ͷίʔυ } }