Learn how to process a ResultSet using the Stream API.
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Baeldung Author
Kostiantyn Ivanov
Experienced software engineer and technical lead with over 10 years of experience participating in development across various domains, including healthcare, banking, cybersecurity, accounting, etc. In terms of community activities, I have mentored students in Java and GoF patterns courses and have written technical articles for Baeldung and Medium.
Here's what I've written (so far):
Baeldung on Java
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- Artificial Intelligence (10)
- Spring AI (6)
- Data (4)
- Persistence (3)
- JPA (3)
- Spring Security (2)
- Spring Data (2)
- Spring Boot (2)
- JVM (2)
- Testing (1)
- Java String (1)
- Java Streams (1)
- Java Concurrency (1)
- Java Array (1)
- Java (1)
- IDE (1)
Connecting to Elasticsearch Using Quarkus
Filed under Data
Learn how to integrate Quarkus with Elasticsearch.
Removing ROLE_ Prefix in Spring Security
Filed under Spring Security
Learn how to provide access in Spring Security wihtout the ROLE_ Prefix.
Function Calling in Java and Spring AI Using the Mistral AI API
Filed under Artificial Intelligence, Spring AI
Discover what function calling is and how to implement it with Spring AI using Mistral AI API.
Embedded PostgreSQL for Spring Boot Tests
Filed under Spring Boot, Testing
How to use Embedded PostgreSQL for Spring Boot tests and alternatives.
Add an Aggregation to an Elasticsearch Query
Filed under Persistence
Discover how to request data with aggregated information in Elasticsearch.
Save Child Objects Automatically Using JPA
Filed under JPA
Learn how to save child objects automatically with JPA.
“Not a Managed Type” Exception in Spring Data JPA
Filed under Spring Data
Explore the reasons behind the “Not a Managed Type” Exception in Spring Data JPA.
Continue With Transaction After Exception in JPA
Filed under JPA
Understand when continuing with the transaction after encountering an exception may be necessary and learn how to handle this in Spring JPA.