Learn how to change annotation parameters in runtime using reflection in Java.
Also find me here:
Baeldung Author
baeldung
This is the standard author on the site. Most articles are published by individual authors, with their own profiles, but when multiple people have a strong contribution, we publish collectively here.
Here's what I've written (so far):
Baeldung on Java
- All
- Weekly Review (503)
- Core Java (225)
- Spring (171)
- Testing (157)
- Spring Boot (152)
- Java (142)
- Java String (121)
- REST (109)
- Spring Security (102)
- Spring MVC (99)
- Persistence (96)
- Java IO (92)
- Jakarta EE (77)
- NoSQL (76)
- Java Collections (73)
- Data (73)
- Spring Data (71)
- Algorithms (69)
- Java Concurrency (64)
- DevOps (64)
- Security (57)
- Series (56)
- Java Dates (52)
- JPA (51)
- Reactive (49)
- Maven (47)
- HTTP Client-Side (46)
- Java Map (45)
- Spring Cloud (42)
- Java Numbers (41)
- Java Streams (40)
- Java Array (40)
- JVM (40)
- Java List (38)
- JSON (37)
- Architecture (37)
- Logging (29)
- Spring Persistence (28)
- Jackson (28)
- IDE (27)
- Gradle (25)
- Spring Web (24)
- Networking (20)
- Cloud (20)
- XML (18)
- Web Services (17)
- Groovy (16)
- Spring WebFlux (15)
- Java Web (11)
- Artificial Intelligence (8)
- Docker (7)
- Spring AI (1)
- News (1)
How to Inject a Property Value Into a Class Not Managed by Spring?
Filed under Spring
Learn how to initialize properties values in Java classes without the direct use of Spring’s injection mechanism.
Merging Streams in Java
Filed under Java Streams
Learn the different ways of merging Java Streams.
Guide to Akka Streams
A quick and practical guide to data stream transformations in Java using the Akka Streams library.
How to Round a Number to N Decimal Places in Java
Filed under Java Numbers
Overview of several ways of handling the common problem of rounding a decimal number in Java
Java Reactive Streams
Filed under Reactive
Quick and practical introduction to Reactive Streams in Java 9.
Intro to Structurizr
Filed under Architecture
Learn Structurizr, a diagram editor that renders architectural artifacts using Java.
The Difference Between map() and flatMap()
Filed under Java Streams
Learn about the differences between map() and flatMap() by analyzing some examples of Streams and Optionals.
Java Web Weekly, Issue 179
Filed under Weekly Review
Definitely some interesting writeups this week, all about building microservice architectures, managing an organization well as the CIO, and doing work on legacy code.