ADD file via upload

AdvancedTest.java

@@ -0,0 +1,40 @@
+package jinjieti1;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+
+import jichuti1.Book;
+import jichuti1.Reader;
+
+public class AdvancedTest {
+    public static void main(String[] args) {
+        // 创建主馆和分馆（聚合关系）
+        Library mainLib = new Library("LIB001", "市图书馆总馆");
+        BranchLibrary branch = new BranchLibrary("B001", "城东分馆", "城东区文化街1号");
+        mainLib.addBranch(branch);
+
+        // 创建借阅历史
+        Reader reader = new Reader("R001", "李四");
+        Book book = new Book("B003", "设计模式", "GOF");
+        BorrowHistory history = new BorrowHistory(
+            "H001", 
+            reader, 
+            book, 
+            LocalDate.now()
+        );
+
+        // 创建图书馆活动
+        Staff staff = new Staff("S001", "王五", "活动策划");
+        LibraryEvent event = new LibraryEvent(
+            "E001", 
+            "读书分享会", 
+            LocalDateTime.now().plusDays(7), 
+            mainLib
+        );
+        event.addParticipant(reader);
+        event.addStaff(staff);
+
+        System.out.println("创建活动：" + event.getTitle() + "，地点：" + mainLib.getName());
+        System.out.println("参与读者：" + reader.getName() + "，工作人员：" + staff.getName());
+    }
+}