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| import java.util.Map;
import java.util.List;
import java.util.HashMap;
import java.util.ArrayList;
class Category {
private int id;
private String name;
public Category(int id, String name) {
this.id = id;
this.name = name;
}
public String toString() {
return "所属分类：" + this.name;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
class BookInfo {
private int id;
private String name;
private int price;
private String author;
private String startTime;
public BookInfo(int id, String name, int price, String author, String startTime) {
this.id = id;
this.name = name;
this.price = price;
this.author = author;
this.startTime = startTime;
}
public String toString() {
return this.id + "|" + this.name + "|" + this.price
+ "|" + this.author + "|" + this.startTime;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getPrice() {
return price;
}
public void setPrice(int price) {
this.id = price;
}
public String getAuthor() {
return author;
}
public void setAuthor(String author) {
this.author = author;
}
public String getStartTime() {
return startTime;
}
public void setStartTime(String startTime) {
this.startTime = startTime;
}
}
class CategoryDao {
public static Map<Category, List<BookInfo>> categoryMap = new HashMap<Category, List<BookInfo>>();
public static void printDeptmentInfo() {
for (Category cate : categoryMap.keySet()) {
System.out.println("所属类别：" + cate.getName());
List<BookInfo> books = categoryMap.get(cate);
System.out.println("图书编号|图书名称|图书价格|图书作者|出版时间");
for (int i = 0; i < books.size(); i++) {
BookInfo b = books.get(i);
System.out.println(b.getId() + "\t"
+ b.getName() + " " + b.getPrice() + "\t"
+ b.getAuthor() + "\t" + b.getStartTime());
}
System.out.println();
}
}
}
public class Test128 {
public static void main(String[] args) {
Category category1 = new Category(1, "文学作品");
Category category2 = new Category(2, "程序设计");
BookInfo book1 = new BookInfo(1, "边城风云", 45, "沈从文", "1934-05-01");
BookInfo book2 = new BookInfo(2, "平凡世界", 50, "路 遥", "1986-01-01");
BookInfo book3 = new BookInfo(3, "围城故事", 42, "钱钟书", "1947-09-01");
BookInfo book4 = new BookInfo(4, "算法导论", 75, "韩家炜", "2006-08-01");
BookInfo book5 = new BookInfo(5, "代码大全", 65, "陈 皓", "2004-06-01");
BookInfo book6 = new BookInfo(6, "设计模式", 60, "李 刚", "2005-12-01");
List<BookInfo> pList1 = new ArrayList<BookInfo>();
pList1.add(book1);
pList1.add(book2);
pList1.add(book3);
List<BookInfo> pList2 = new ArrayList<BookInfo>();
pList2.add(book4);
pList2.add(book5);
pList2.add(book6);
CategoryDao.categoryMap.put(category1, pList1);
CategoryDao.categoryMap.put(category2, pList2);
CategoryDao.printDeptmentInfo();
}
}
|
