diff --git a/java/src/main/java/com/hzu/bookingsystem/repository/UserCourseRepository.java b/java/src/main/java/com/hzu/bookingsystem/repository/UserCourseRepository.java
new file mode 100644
index 0000000..22e3ee0
--- /dev/null
+++ b/java/src/main/java/com/hzu/bookingsystem/repository/UserCourseRepository.java
@@ -0,0 +1,34 @@
+package com.hzu.bookingsystem.repository;
+
+
+
+import com.hzu.bookingsystem.bean.UserCourseBean;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+
+
+public interface UserCourseRepository extends JpaRepository<UserCourseBean,String> {
+
+
+
+    UserCourseBean findByUcId(Integer uc_id);
+
+
+    UserCourseBean save(UserCourseBean uc_id) ;
+
+
+    List<UserCourseBean> findAll() ;
+
+
+    List<UserCourseBean> findByUIdAndYearAndSemester(Integer u_id,String year,Integer semester) ;
+
+
+
+
+
+    void deleteByUcId(Integer uc_id);
+
+
+
+}