Code Review: find problems in the Order class code calculating delivery cost.
Senior
208
Java
14621
265
What is offset in Kafka? How does the offset happen? When to use manual commit vs automatic?
Senior
197
If you have two beans, how do you choose one by default?
Middle+
191
What is the difference between WHERE and HAVING?
Middle+
181
What types of indexes exist in databases?
Senior
178
Implement the Strategy pattern for calculating delivery costs and a service for its application.
Senior
175
How is dependency injection recommended in Spring?
Middle+
173
Besides indexes, what else do you pay attention to when optimizing queries?
Senior
173
Do you have experience rewriting legacy products?
Senior
172
What is the difference between EntityGraph and Join Fetch?
Middle+
172
Is there a constructor in an abstract class?
Middle+
171
How to configure producer and consumer interaction in Kafka if the consumer service is replicated on 3 instances and updates product prices? How to avoid race conditions?
Senior
165
How to re-read a message from Kafka?
Middle+
158
What is the disadvantage of using material code as a partition key in Kafka?
Senior
154
What operations are undesirable on a large table with tens of millions of records? How to optimize getting the COUNT of products on sale from a very large table?
Senior
153
How to organize data transfer from three microservices (products, prices, orders) in a microservice architecture?
Senior
153
How to handle invalid messages in Kafka?
Middle+
150
What is the difference between soft and hard references?
Middle+
140
How do you use OpenAPI?
Senior
138
Tell about your work experience
Senior
135