diff --git a/Springboot/Springboot/.vscode/launch.json b/Springboot/Springboot/.vscode/launch.json
new file mode 100644
index 0000000..ecd0b8f
--- /dev/null
+++ b/Springboot/Springboot/.vscode/launch.json
@@ -0,0 +1,14 @@
+{
+    "configurations": [
+        {
+            "type": "java",
+            "name": "Spring Boot-SpringbootApplication<Springboot>",
+            "request": "launch",
+            "cwd": "${workspaceFolder}",
+            "mainClass": "com.program.Springboot.SpringbootApplication",
+            "projectName": "Springboot",
+            "args": "",
+            "envFile": "${workspaceFolder}/.env"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/Springboot/Springboot/src/main/java/com/program/Springboot/controller/StudentController.java b/Springboot/Springboot/src/main/java/com/program/Springboot/controller/StudentController.java
index 6a371ac..cf8e60e 100644
--- a/Springboot/Springboot/src/main/java/com/program/Springboot/controller/StudentController.java
+++ b/Springboot/Springboot/src/main/java/com/program/Springboot/controller/StudentController.java
@@ -19,11 +19,11 @@
 @RestController
 @RequestMapping("/api")  // All endpoints will start with /api
 public class StudentController {
-
+   @Autowired
     private final StudentService studentService;
 
     // Constructor Injection (best practice)
-     @Autowired
+     
     public StudentController(StudentService studentService) {
         this.studentService = studentService;
     }
diff --git a/Springboot/Springboot/src/main/java/com/program/Springboot/service/impl/StudentServiceImpl.java b/Springboot/Springboot/src/main/java/com/program/Springboot/service/impl/StudentServiceImpl.java
index a2b71b2..ad6b42e 100644
--- a/Springboot/Springboot/src/main/java/com/program/Springboot/service/impl/StudentServiceImpl.java
+++ b/Springboot/Springboot/src/main/java/com/program/Springboot/service/impl/StudentServiceImpl.java
@@ -11,7 +11,9 @@
 import com.program.Springboot.model.Student;
 import com.program.Springboot.service.StudentService;
 
-public class StudentServiceImpl extends StudentService {
+
+@Service
+public class StudentServiceImpl implements StudentService {
 
     // Simulated database (key = pkStudentID, value = Student object)
     private final Map<Long, Student> studentDB = new HashMap<>();
@@ -30,9 +32,9 @@ public Optional<Student> getStudentById(Long id) {
 
     @Override
     public Student addStudent(Student student) {
-        // store student using their ID as the key
+         studentDB.put(student.getPkStudentID(), student);
         return student;
-    }
+    }   
 
     @Override
     public Student updateStudent(Long id, Student updatedStudent) {
@@ -54,9 +56,9 @@ public Student updateStudent(Long id, Student updatedStudent) {
     public boolean deleteStudent(Long id) {
         if (studentDB.containsKey(id)) {
             studentDB.remove(id);
-            return false;
+            return true;
         }
-        return true; 
+        return false; 
     }
     
 }
\ No newline at end of file
diff --git a/Springboot/Springboot/src/main/resources/application.properties b/Springboot/Springboot/src/main/resources/application.properties
index 6f582e0..9ab9860 100644
--- a/Springboot/Springboot/src/main/resources/application.properties
+++ b/Springboot/Springboot/src/main/resources/application.properties
@@ -1,2 +1,2 @@
 spring.application.name=Springboot
-server.port = 9O90
+server.port = 9090
diff --git a/Springboot/Springboot/target/classes/application.properties b/Springboot/Springboot/target/classes/application.properties
index 6f582e0..9ab9860 100644
--- a/Springboot/Springboot/target/classes/application.properties
+++ b/Springboot/Springboot/target/classes/application.properties
@@ -1,2 +1,2 @@
 spring.application.name=Springboot
-server.port = 9O90
+server.port = 9090
diff --git a/Springboot/Springboot/target/classes/com/program/Springboot/controller/StudentController.class b/Springboot/Springboot/target/classes/com/program/Springboot/controller/StudentController.class
index c7829b4..842ea6a 100644
Binary files a/Springboot/Springboot/target/classes/com/program/Springboot/controller/StudentController.class and b/Springboot/Springboot/target/classes/com/program/Springboot/controller/StudentController.class differ
diff --git a/Springboot/Springboot/target/classes/com/program/Springboot/service/impl/StudentServiceImpl.class b/Springboot/Springboot/target/classes/com/program/Springboot/service/impl/StudentServiceImpl.class
index d031ff7..86aac02 100644
Binary files a/Springboot/Springboot/target/classes/com/program/Springboot/service/impl/StudentServiceImpl.class and b/Springboot/Springboot/target/classes/com/program/Springboot/service/impl/StudentServiceImpl.class differ