Tag: Jvm
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Why your choice of Java Virtual Machine (JVM) matters more than ever
Posted on March 22, 2023, Level advanced Resource Length medium
In my recent interview with Software Daily, I discussed that there are many companies looking for better customer experience, faster execution, and lower infrastructure costs... and that they have discovered a better use of Java to help them with just that. By John Ceccarelli.
Tags jvm software web-development software-architecture app-development
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Kotlin coroutines - A comprehensive introduction
Posted on January 18, 2023, Level intermediate Resource Length long
This article introduces Kotlin coroutines, a powerful tool for asynchronous programming. Kotlin's coroutines fall under the umbrella of structured concurrency. They implement a model of concurrency which you can consider similar to Java virtual threads, Cats Effect and ZIO fibers. By Daniel Ciocîrlan.
Tags kotlin java app-development programming jvm distributed
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Optimizing Apache JVMs for Apache Kafka
Posted on October 18, 2022, Level intermediate Resource Length medium
Java Virtual Machines (JVMs) impact Apache Kafka® performance in production. How can you optimize your event-streaming architectures so they process more Kafka messages using the same number of JVMs? Podcast by confluent.io.
Tags performance programming jvm java
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Kotlin JDSL: Let's use Kotlin to easily write reactive Criteria API
Posted on September 27, 2022, Level intermediate Resource Length medium
In this post, we'll be looking at Kotlin JDSL Reactive modules. While many of you might have a preconceived notion that JPA cannot be reactive, Hibernate released a reactive JPA library called Hibernate Reactive. By Hyunsik Kang.
Tags programming kotlin functional-programming jvm apis
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Java memory model
Posted on September 24, 2022, Level intermediate Resource Length medium
The goal of this post is to get familiar with how memory works in java. We will see how it works in combination with the OS it runs on, how it's structured and how it functions internally inside a JVM. By Nermin Karapandzic.
Tags jvm java programming app-development
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A guide to JVM parameters for Java developers
Posted on April 29, 2022, Level intermediate Resource Length medium
By understanding and using JVM and JVM parameters, both developers and end users can diagnose failures and improve the performance of a Java application. By Jayashree Huttanagoudar @redhat.
Tags java web-development programming scala jvm devops
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Revolutionizing Java with GraalVM Native Image
Posted on April 23, 2022, Level intermediate Resource Length long
GraalVM has caused a revolution in Java development since it launched three years ago. One of the most discussed features of GraalVM is Native Image, which is based on an ahead-of-time (AOT) compilation. By Alina Yurenko and Karsten Silz.
Tags java programming kotlin jvm scala performance
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How to build low latency crypto trading systems using Java and Chronicle services
Posted on March 27, 2022, Level beginner Resource Length medium
Cryptocurrency trading is an emerging market with its own rules. However, when it comes to the need for low-latency arbitrage, that is, being able to react rapidly to changing market prices and placing orders ahead of the competition, there are lessons we can learn from optimizing classic trading systems. By Ivan Rakov.
Tags miscellaneous jvm java app-development programming
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Create your own Kotlin playground (and get a data science head start) with Jupyter Notebook
Posted on December 30, 2021, Level intermediate Resource Length long
Learn the basics of Jupyter Notebook and how to turn it into an interactive interpreter for Kotlin. You'll also learn about Data Frames, an important data structure for data science applications. By Joey deVilla.
Tags kotlin java app-development jvm data-science
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The state of pattern matching in Java 17
Posted on December 29, 2021, Level intermediate Resource Length medium
The act of checking a given sequence of tokens for the presence of the constituents of some pattern. Or simply put, it's a language feature where you can test for a specific pattern on a character sequence or a data structure. By Deepu K Sasidharan.
Tags java programming performance jvm
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Gavin Bierman explains pattern matching for switch, a Java 17 preview
Posted on October 15, 2021, Level beginner Resource Length medium
Pattern matching for switch follows logically from pattern matching for instanceof, which was delivered as part of JDK 16. By Justine Kavanaugh-Brown
Tags jvm java web-development app-development
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Intro to Scala 3 macros
Posted on September 7, 2021, Level advanced Resource Length medium
What is macro? A common explanation given is that a macro is a program that is able to take code as an input and output code. While it's true, it might not immediately make sense since Scala programmers are often familiar with higher-order functions like (map {...}) and by-name parameter, which on the surface it might seem like it is passing a block of code around. By @eed3si9n.
Tags scala java jvm programming