Explore the similarities and differences between MongoDB and Couchbase in terms of the architecture, features, data model, and more.
Search Results for: heap
Choosing the Right Java Collection
Explore all collection interfaces and collection classes in the Java library.
Dealing with “java.lang.OutOfMemoryError: PermGen space” Error
Explore the purpose of PermGen memory and the main difference with heap memory.
Java Weekly, Issue 455
Loomified Helidon, no object allocations, extent-local vars, Java 19/20, Postgres-compatible distributed database, and request waiting list.
Permutations of a String in Java
Learn how we to easily create permutations in Java using third-party libraries.
Java Weekly, Issue 445
The cost of logging, becoming an open-source committer, and a quick piece about why HTTP3 is fast. A quick and to-the-point week 🙂
What Are the Spring Boot Default Memory Settings?
Learn about the default values of various heap and stack memory configuration options available for Java applications.
Is There a Destructor in Java?
Learn about the possibility of object destruction in Java.
Java Weekly, Issue 440
Java 9 cleaners, structured concurrency in Java 19, definitely non-nullable types in Kotlin, native Java, and maxUnavailable for StatefulSets.
How Does the Spring Singleton Bean Serve Concurrent Requests?
Learn how Spring beans created with the singleton scope work behind the scenes to serve multiple concurrent requests.
Does GC Release Back Memory to OS?
Learn how Java Garbage Collection works.
Guide to ByteBuffer
A quick and practical guide to ByteBuffers.
Guide to Netflix Spectator
A guide to Spectator, a library from Netflix for metrics measurement. Learn what features it provides and how to use it to collect metrics.
Java Weekly, Issue 412
Large objects and GC in Java 18, new API in project loom, native images for Spring Boot, AWS MemoryDB, and building an startup!
List All the Classes Loaded in the JVM
Learn different techniques to list all classes loaded in the JVM
New Features in Java 17
In this article, we’ll talk about the news related to the new version of the Java ecosystem, Java SE 17 – the new features and the changes in its release process, LTS support, and licenses.
Spring Boot vs Quarkus
A practical comparison between Spring Boot and Quarkus, with a focus on performance.
Compare the Content of Two Files in Java
A quick and practical guide to comparing the contents of two files in Java.
Choosing a GC Algorithm in Java
Learn about the various garbage collectors supported by the JVM and some key characteristics that can help us decide on the right one to use, depending on our application’s needs.
Bitmasking in Java with Bitwise Operators
A quick and practical guide to low-level bitmasking using bitwise operators.