Take a closer look at these two static factory methods for immutable maps and explain which one is suitable for which purpose.
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 (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)
- 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)
Choosing the Right Java Collection
Filed under Java Collections
Explore all collection interfaces and collection classes in the Java library.
How to Serialize a Singleton in Java
Filed under Core Java
Learn how to create a serializable singleton class in Java.
Convert Between LocalDateTime and ZonedDateTime
Filed under Java Dates
Learn how to convert an instance of LocalDateTime to ZonedDateTime and vice versa.
Uses for Optional in Java
Filed under Core Java
Understand the purpose of the Optional class and learn how to use it efficiently to design clear and robust APIs.
Java Weekly, Issue 465
Filed under Weekly Review
Spring 6, Quarkus Jakarta EE migration, Kotlin on RaspberryPi, REST API over database schema, and logical replication.
Java Course Team Lead with Spring Experience (Remote) (Part Time) (Inactive)
Filed under Java
Looking for a Java Lead with Spring experience to join the Baeldung team.
Access HTTPS REST Service Using Spring RestTemplate
Filed under HTTP Client-Side, Security
Learn how to consume a REST service secured with HTTPS using Spring’s RestTemplate.
Sort Collection of Objects by Multiple Fields in Java
Filed under Java Collections
Learn different approaches for sorting collections by comparing multiple fields.