ADD file via upload

StudentRepository.java

@@ -0,0 +1,9 @@
+package com.example.classroomattendance.repository;
+
+import com.example.classroomattendance.model.Student;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface StudentRepository extends JpaRepository<Student, Long> {
+}