Learn about the Math class that provides helpful static methods for performing numeric operations.
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 (515)
- 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)
Convert Between String and Timestamp
Filed under Java Dates, Java String
Learn how to convert between String and Timestamp with a little help from LocalDateTime and Java 8.
Java Compiler Error: “class, interface, or enum expected”
Filed under Java
Learn about the “class, interface, or enum expected” Java compiler error and how to fix it
Guide to ReflectionTestUtils for Unit Testing
Learn how to use ReflectionTestUtils in unit testing by going through several examples.
Criteria API – An Example of IN Expressions
Filed under JPA
Learn different ways to achieve the IN operation using the Criteria API.
Adding a Newline Character to a String in Java
Filed under Java String
Learn about newline characters in Java for text output and HTML
Pad a String with Zeros or Spaces in Java
Filed under Java String
Learn how to pad a String in Java with a specific character.
Customizing HTTP Endpoints in Spring Data REST
Filed under REST, Spring Data
Learn how to restrict which repository methods are exposed as endpoints in a Spring Data REST application, as well as how to customize their URL mappings.
Spring @RequestParam Annotation
Filed under Spring MVC
A detailed guide to Spring’s @RequestParam annotation