题目要求：

学生可以在学校的图书馆里借书。
图书分为五类(BookType:枚举类型)

• SCIENCE(科学)
• MEDICINE(医药)
• LITERATURE(文学
• FOODCOOKING(饮食)
• MAGAZINE(杂志)

图书的出版社也有以下几个(Press:枚举类型)

• 清华大学出版社
• 北京大学出版社
• 电子工业出版社
• 机械工业出版社
• 杂志期刊主办商

读者的性别 (Sex:枚举类型）

• 女
• 男

读者类(Reader)

• 有姓名和性别的属性，可以借阅多本
• 要求能够打印读者借阅书本的信息

图书类(Book)

• 有图书名称、出版社、 图书类型的属性

package experiment1;

public class LibraryDemo {
	enum BookType{ 
		SCIENCE,//(科学)
		MEDICINE,//(医药)
		LITERATURE,//(文学)
		FOODCOOKING,//(饮食)
		MAGAZINE//(杂志)

	}//图书类型枚举
	enum Press{
		QINGHUA,//清华大学出版社
		BEIJING,//北京大学出版社
		DIANZI,//电子工业出版社
		JIXIE,//机械工业出版社
		ZAZHI//杂志期刊主办商
	} //出版社类型枚举
	enum Sex{ 
		MALE("男"),//男
		FEMALE("女");//女
		private String sexString;
		private Sex(String sex) {
			this.sexString = sex;
		}
		public String getSex() {
			return this.sexString;
		}
	} //性别枚举 
	class Book{  //图书类
	    String bookName;
	    Press press;
	    BookType bookType;
	    void printBookType(int i) {
	    	switch (i) {
			case 1: {
				System.out.print("科学    ");
				System.out.println(BookType.SCIENCE);
				break;
			}
			case 2: {
				System.out.print("医药    ");
				System.out.println(BookType.MEDICINE);
				break;
			}
			case 3: {
				System.out.print("文学    ");
				System.out.println(BookType.LITERATURE);
				break;
			}
			case 4: {
				System.out.print("饮食    ");
				System.out.println(BookType.FOODCOOKING);
				break;
			}
			case 5: {
				System.out.print("杂志    ");
				System.out.println(BookType.MAGAZINE);
				break;
			}
			default:
				System.out.print("Wrong!");
				break;
			}
	    }
	    void printPress(int i) {
	    	switch (i) {
			case 1: {
				System.out.print("清华大学出版社");
				break;
			}
			case 2: {
				System.out.print("北京大学出版社");
				break;
			}
			case 3: {
				System.out.print("电子工业出版社");
				break;
			}
			case 4: {
				System.out.print("机械工业出版社");
				break;
			}
			case 5: {
				System.out.print("杂志期刊主办商");
				break;
			}
			default:
				System.out.print("Wrong!");
				break;
			}
	    }
	    void printBorrowStatus(int i) {
	    	switch (i) {
			case 1: {
				System.out.print("办理借阅");
				break;
			}
			case 2: {
				System.out.print("不能租借");
				break;
			}
			}
	    }
	    void printBookInfo(String bookNameString,int press,int status ,int booktype){ 
	    	Book book = new Book();
	    	book.bookName = bookNameString;
	    	System.out.print(book.bookName);
			System.out.print("    ");
	    	printPress(press);
			System.out.print("    ");
			printBorrowStatus(status);
			System.out.print("    ");
	    	printBookType(booktype);
	    }//打印图书信息
	}
	class Reader{  //读者类
	    String readerName;
	    Sex sex;
	    Book[] books;
	    void printBorrowInfo(String readerNameString,int i){ 
	    	Reader reader = new Reader();
	    	reader.readerName = readerNameString;
			System.out.print("读者姓名："+readerNameString + "  ");
			switch (i) {
			case 1: {
				System.out.print("性别：" +Sex.MALE.sexString+ "  ");
				break;
			}
			case 0: {
				System.out.print("性别：" +Sex.FEMALE.sexString+ "  ");
				break;
			}
			default:
				System.out.print("wrong！"+ "  ");
			}
			System.out.println("该读者的借阅信息如下：");
			System.out.println("图书名称" + "  " +"出版社" + "  "+"借阅" + "  "+"编号" + "  "+"类型描述" + "  ");
			System.out.println("===================================");
	    }  //打印该读者的借阅信息
	}


	
	public static void main(String[] args) {
		// TODO 自动生成的方法存根
		LibraryDemo libraryDemo = new LibraryDemo();
		Reader reader1 = libraryDemo.new Reader();
		Book book1 = libraryDemo.new Book();
		reader1.printBorrowInfo("李红",0);
		book1.printBookInfo("数据库原理",1,1,1);
		book1.printBookInfo("医学与美容",2,1,2);
		book1.printBookInfo("平凡的世界",3,1,3);
		System.out.println();
		Reader reader2 = libraryDemo.new Reader();
		Book book2 = libraryDemo.new Book();
		reader2.printBorrowInfo("肖明",1);
		book2.printBookInfo("饮食与健康",4,1,4);
		book2.printBookInfo("计算机基础",2,1,1);
		book2.printBookInfo("计算机科学",5,2,5);
		
    }
		

}

运行结果: