Learn about various listeners’ options of the Mono object from Spring 5 WebFlux.
Also find me here:
Baeldung Author
Emanuel Trandafir
I'm Emanuel Trandafir, a passionate Java developer eager to explore and share insights on diverse programming paradigms, tools, and practices. I actively encourage my readers to join me in meaningful discussions, allowing us to learn from each other's perspectives. Beyond work, I love staying active through sports, hiking, and traveling, and I've recently switched from long-distance running to the thrill of rock climbing.
Here's what I've written (so far):
Baeldung on Java
- All
- Testing (10)
- Data (7)
- Architecture (7)
- Reactive (5)
- Spring WebFlux (4)
- Spring Data (4)
- Persistence (4)
- Spring Boot (3)
- Spring (3)
- Maven (3)
- Java Streams (3)
- Java Concurrency (3)
- Docker (3)
- Java (2)
- Web Services (1)
- Spring Web (1)
- Spring AI (1)
- Java Dates (1)
- Java Collections (1)
- Jackson (1)
- JSON (1)
- DevOps (1)
- Core Java (1)
- Artificial Intelligence (1)
Patterns for Iterating Over Large Result Sets With Spring Data JPA
Filed under Spring Data
Learn various ways of iterating through large data sets retrieved with Spring Data JPA.
Basic Authentication With Postman
Filed under Web Services
Learn how to use Postman to test an endpoint secured with Basic Authentication.
Java Streams: Multiple Filters vs. Complex Condition
Filed under Java Streams
Let’s compare different ways of filtering Java Streams.
Java Record vs. Lombok
Filed under Core Java
Learn the differences and similarities between Java 14 Records and Lombok.
Hibernate’s “Detached Entity Passed to Persist” Error
Filed under Persistence
Explanation about detached entities, why occurs the”Detached Entity Passed to Persist” error occurs and how to prevent it.
Constraint Composition with Bean Validation
Filed under Java
Learn how to group multiple constraints under a single, custom annotation to reduce code duplication and improve readability
Joining Tables With Spring Data JPA Specifications
Filed under Spring Data
Learn how to use JPA Specifications to query a table based on one of its associated entities.
Hibernate’s “Not-Null Property References a Null or Transient Value” Error
Filed under Persistence
Learn about Hibernate’s PropertyValueException. In particular, the “not-null property references a null or transient value” error message.
Baeldung on Kotlin
- All
- Testing (1)
- Kotlin Strings (1)
- Kotlin Numbers (1)
- Kotlin Basics (1)
- Kotlin Arrays (1)
A Guide to Property-Based Testing in Kotlin
Filed under Testing
Learn about property-based testing in Kotlin.
Convert an Array to a String
Filed under Kotlin Arrays, Kotlin Strings
Learn how to convert an Array’s content to a String in Kotlin.
The ..< Operator for Open-ended Ranges in Kotlin
Filed under Kotlin Basics
Learn about the new Kotlin operator
Converting an Int? to an Int in Kotlin
Filed under Kotlin Numbers
Learn how to extract a value of a nullable variable.
Baeldung on SQL
- All
- Database Concepts (1)
Multiple Indexes vs. Multi-Column Indexes
Filed under Database Concepts
Explore database indexes, focusing on the differences between individual and composite indexes.