Tag: Java
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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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Optimizing AWS Lambda function performance for Java
Posted on April 3, 2022, Level beginner Resource Length medium
This blog post shows how to optimize the performance of AWS Lambda functions written in Java, without altering any of the function code. It shows how Java virtual machine (JVM) settings affect the startup time and performance. You also learn how you can benchmark your applications to test these changes. By Benjamin Smith and Mark Sailes.
Tags apis performance app-development serverless web-development java
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How to develop Event-Driven architectures
Posted on March 30, 2022, Level beginner Resource Length medium
Author is going to look at how we can use Open source Chronicle Queue and Chronicle Wire to structure applications to use Event-Driven Architecture (EDA). EDA is a design pattern in which decoupled components (often microservices) can asynchronously publish and subscribe to events. By Rob Austin.
Tags event-driven web-development app-development messaging java software-architecture
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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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Handling multiline logs with Loki and Fluent Bit on Kubernetes
Posted on March 26, 2022, Level beginner Resource Length medium
Logging is one of the core parts of monitoring in an application life cycle. Fluent Bit is an open-source project that allows log processing and forwarding. In this post, I will point out some useful hin that I have found during configuring the fluent bit for our environment. Loki is another tool from Grafana used for log aggregations. By @cleancloud-k8s.com.
Tags kubernetes java web-development devops
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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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How to build a powerful e-learning platform using Scala and Redis
Posted on December 9, 2021, Level beginner Resource Length medium
Never before has online learning been so accessible. Whether you want to discover more about cryptocurrency, sharpen your programming skills or even just learn a new language, the digital age has gifted everyone access to a phenomenal amount of content. However, over time e-learning has been viewed as just another digital commodity, where users expect all online content to be instantaneous. Speed remains crucial to performance, where any lags or delays in page loading time kills the user's experience. By Redis Growth Team.
Tags cloud miscellaneous scala java machine-learning big-data nosql
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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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Tools of the build trade: The making of a tiny Kotlin app
Posted on September 16, 2021, Level intermediate Resource Length medium
Tony Robalik published the story of how to build thinhs with Gradle, how to use the application and distribution plugins to build the app and bundle a distribution; how to use the shadow plugin to turn it into a fat jar.
Tags kotlin programming web-development app-development software-architecture java
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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