Tag: Java
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Behind the scenes: How do lambda expressions really work in Java?
Posted on October 6, 2020, Level intermediate Resource Length medium
A look into the bytecode to see how Java handles lambdas. What does a lambda expression look like inside Java code and inside the JVM? It is obviously some type of value, and Java permits only two sorts of values: primitive types and object references. By Ben Evans.
Tags jvm java web-development app-development software-architecture
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Zero to AWS Lambda in Scala
Posted on September 14, 2020, Level intermediate Resource Length short
AWS Lambda is the platform for deploying functions to the AWS cloud. You can use it to develop functions that respond to AWS events (eg S3 uploads, DynamoDB inserts), AWS API calls, or via HTTP endpoints using the API Gateway. By Jason Swartz.
Tags serverless devops open-source scala programming java
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How to advance in blockchain as a Java developer
Posted on September 11, 2020, Level beginner Resource Length medium
Come 2009, and mysteriously out of the blocks emerged a cryptocurrency, Bitcoin, coded using a technique described in 1991 as blockchain. Bitcoin attracted sustained attention, and blockchain, which until then was largely unnoticed, basked in the dawn of a new era of promise. By Girish.
Tags java blockchain fintech miscellaneous career
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Railway oriented programming in Scala
Posted on August 1, 2020, Level advanced Resource Length long
An article by Pierre Jambet about his discovery of Railway Oriented Programming (ROP).
Tags scala software-architecture functional-programming code-refactoring software java
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Singleton design pattern in java
Posted on July 21, 2020, Level beginner Resource Length short
Singleton pattern is one of the most commonly used software design pattern. It comes under creational pattern. By Manoj Singh Saun.
Tags java software-architecture programming
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🚀 Visualizing memory management in JVM(Java, Kotlin, Scala, Groovy, Clojure)
Posted on July 17, 2020, Level intermediate Resource Length medium
In this multi-part series, author aims to demystify the concepts behind memory management and take a deeper look at memory management in some of the modern programming languages. By Deepu K Sasidharan; JHipster co-lead, Java, JS, Cloud Native Advocate, Developer Advocate @ Adyen, Author, Speaker, Software craftsman.
Tags java scala jvm performance
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Quick Guide on loading initial data with Spring Boot
Posted on June 20, 2020, Level intermediate Resource Length short
Spring Boot makes it really easy to manage our database changes in an easy way. If we leave the default configuration, it'll search for entities in our packages and create the respective tables automatically. By Eugen Paraschiv.
Tags java app-development web-development programming
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Memory management in Java
Posted on June 14, 2020, Level beginner Resource Length short
In this article, we will see how does the Java programming language is doing memory management, we will look at registers, stack, heap, constants, non-ram memory, and the famous Java garbage collector. Let's start with the fastest storage in Java the register. By Aleksandar Vasilevski.
Tags java programming devops
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MVVM Architecture -- Android tutorial for beginners, step by step guide
Posted on May 25, 2020, Level beginner Resource Length long
Amit Shekhar put together this interesting tutorial in which you are going to learn about the MVVM architecture in Android and then you will build a project with MVVM architecture.
Tags android kotlin app-development software-architecture java
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10000 nodes and beyond with Akka Cluster and Rapid
Posted on May 7, 2020, Level advanced Resource Length long
At the foundation of clustered systems are so-called membership protocols. The job of a membership protocol is to keep clustered applications up-to-date with the list of nodes that are part of the cluster, allowing all the individual nodes to act as one system. By Manuel Bernhardt.
Tags scala java programming akka devops performance software-architecture
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Railway oriented programming in Kotlin
Posted on April 30, 2020, Level intermediate Resource Length medium
Railway Oriented Programming (ROP) is a functional programming technique that allows sequential execution of functions, not necessarily synchronous. The key concept is that each function can only accept and return Container of either Success or Failure. Failure wraps Throwable type and Success can be of any type. Published by Tonje Krosby.
Tags java functional-programming programming kotlin
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Data structures and algorithms in Java: A beginner's guide
Posted on March 26, 2020, Level beginner Resource Length medium
Learn all about array and list data structures in Java, and the algorithms you can use to search and sort the data they contain. By Jeff Friesen.
Tags java programming web-development jvm