ADD file via upload

flower_back/src/main/java/com/example/flower/entity/Class.java

@@ -0,0 +1,13 @@
+package com.example.flower.entity;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class Class {
+    private int class_id;
+    private String class_name;
+}