Using javax @notblank constraint

Author: Rajeev Kumar Singh

src/main/java/com/example/webfluxdemo/model/Tweet.java

@@ -1,10 +1,10 @@
 package com.example.webfluxdemo.model;
 
-import org.hibernate.validator.constraints.NotBlank;
 import org.springframework.data.annotation.Id;
 import org.springframework.data.mongodb.core.index.Indexed;
 import org.springframework.data.mongodb.core.mapping.Document;
 
+import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Size;
 import java.util.Date;