Learn how to edit the content of an existing PDF file 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 (514)
- 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)
Java Weekly, Issue 458
Filed under Weekly Review
On using Spring MVC well, an interesting tool to migrate a Spring project to Boot and some testing goodness. A busy week, overall.
Difference Between Flux and Mono
Filed under Reactive
Learn the difference between Flux and Mono of the Reactor Core library.
Using HAProxy as an API Gateway for Routing and Rate Limiting
Filed under DevOps, Networking
Learn how to use HAProxy as an API Gateway for routing and rate limiting.
Writing a List of Strings Into a Text File
Filed under Java IO
A quick and practical guide to writing a List of Strings into a text file.
A Guide to Variables in Postman
Filed under REST
Learn about variables in Postman.
Set vs List in Java
Filed under Java Collections, Java List
Explore the difference between a List and a Set in Java.
Java Weekly, Issue 457
Filed under Weekly Review
Paving the on-ramp – definitely going to help people get started with Java
Validate UUID String in Java
Filed under Java String
Learn how to validate a UUID string by using regular expressions or the static method of the UUID class.