Learn about the differences between System.console() and System.out.
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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 (501)
- 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)
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- Jackson (28)
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- 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)
Setting Formulas in Excel with Apache POI
Filed under Java IO
Learn how to set and evaluate Excel formulas in Java with Apache POI
Guide to SDKMAN!
Filed under DevOps
Learn how to manage several versions of Java SDKs among other Java Ecosystem tools using SDKMAN!
Java Weekly, Issue 344
Filed under Weekly Review
Java is moving so fast! Java 15 is about to be released and we have two exciting news about Java 16. Also, some interesting topics on Security and Cloud.
Liskov Substitution Principle in Java
Filed under Java
The L in SOLID, the Liskov Substitution Principle helps structure object oriented design. We also explore how it supports the Open/Closed Principle.
Converting List to Map With a Custom Supplier
Filed under Java Collections
Learn several ways to convert a List into a Map using Custom Suppliers.
Java Weekly, Issue 343
Filed under Weekly Review
Another step for Project Loom in Java 15 and Deprecating Biased Locking, Cool topics on Cloud, Microservices, and Istio. And finally some OS classics!
Difference Between Statement and PreparedStatement
Filed under Java, Persistence
Explore the differences between JDBC’s Statement and PreparedStatement interfaces.
Java Weekly, Issue 342
Filed under Weekly Review
Lots of interesting topics in a wide range of topics: JVM internals, JUnit 5 tricks, Spring Profiles, Ktor, Infrastructure Costs, and a lot more.