book

ruoyi-system/src/main/java/BookInterface.java

@@ -0,0 +1,9 @@
+/**
+ * 定义一个表示书本类型的接口
+ */
+public interface BookInterface {
+    String BookName();
+    String BookAuthor();
+    String BookISBN();
+    void setBookInfo(String name, String author, String isbn);
+}

ruoyi-system/src/main/java/Booking.java

@@ -0,0 +1,25 @@
+public class Booking {
+    public static void main(String[] args) {
+        // 创建图书对象
+        Books books = new Books();
+
+        // 设置图书信息
+        books.setBookInfo("安德的游戏", "安德", "978-7-111-60453-3");
+
+        // 获取并打印图书名称
+        System.out.println("名称: " + books.BookName());
+
+        // 获取并打印图书作者
+        System.out.println("作者: " + books.BookAuthor());
+
+        // 获取并打印图书ISBN
+        System.out.println("ISBN: " + books.BookISBN());
+
+        // 使用多态形式调用图书信息类的方法
+        BookInterface bookInterface = new Books();
+        bookInterface.setBookInfo("中华上下五千年", "袁堂欣", "978-0-13-468599-1");
+        System.out.println("名称: " + bookInterface.BookName());
+        System.out.println("作者: " + bookInterface.BookAuthor());
+        System.out.println("ISBN: " + bookInterface.BookISBN());
+    }
+}

ruoyi-system/src/main/java/Books.java

@@ -0,0 +1,27 @@
+public class Books implements BookInterface {
+    private String name;
+    private String author;
+    private String isbn;
+
+    @Override
+    public String BookName() {
+        return name;
+    }
+
+    @Override
+    public String BookAuthor() {
+        return author;
+    }
+
+    @Override
+    public String BookISBN() {
+        return isbn;
+    }
+
+    @Override
+    public void setBookInfo(String name, String author, String isbn) {
+        this.name = name;
+        this.author = author;
+        this.isbn = isbn;
+    }
+}