Java

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Mastering Java Interoperability with Kotlin: A Developer’s Guide

Dady2 months ago09 mins

Introduction Kotlin’s rise in popularity, especially for Android development, has sparked interest in understanding how it works alongside Java. Given that Kotlin runs on the Java Virtual Machine (JVM), it’s designed to integrate seamlessly with existing Java codebases. This blog post delves into Java interoperability with Kotlin, exploring how Kotlin calls Java, how Java…

A Comprehensive Guide to Annotations in Kotlin

Dady2 months ago08 mins

Introduction In the world of Java and Kotlin, annotations are an essential part of the programming toolkit. They allow developers to add metadata to code elements such as classes, methods, and fields, which can be processed at compile-time or runtime. Annotations are used in frameworks like JUnit for testing and Room for database operations,…

Understanding Gradle: The Ultimate Build Automation Tool for Developers

Dady2 months ago010 mins

Introduction to Gradle In today’s fast-paced world of software development, efficient management of builds, dependencies, and project tasks is crucial. That’s where Gradle comes in. Gradle is a modern, flexible build automation tool that simplifies the entire process of building, testing, and deploying software projects. It’s particularly popular in the Java and Kotlin ecosystems but…

Introduction to Maven and Generating a Maven Project from the Command Line

Dady7 months ago5 months ago04 mins

What’s Maven? It’s common to hear about maven, especially for Java Projects but don’t confuse Maven with Java, okay? I can explain what’s maven and it’s use case. Maven is a popular build automation tool primarily used for Java projects. It provides a structured way to manage project dependencies, build processes, and releases. Maven uses…

Practical Example of Schema Merging in Apache Spark

Dady7 months ago5 months ago03 mins

Schema merging is a way to evolve schemas through of a merge of two or more tables. I prefer show you with a practice example, so let’s do this! Here we have two files simulating Data sources that we’ll load into a Dataframe later. The first one represents a Data source of users and the…

Mastering Data Sorting in Java with Comparator.comparing and Streams

Dady7 months ago5 months ago05 mins

Introduction Sorting data is a common task in many software development projects. When working with collections of objects in Java, a powerful and flexible approach to sorting is to use the Comparator.comparing interface in conjunction with Streams. In this post, we are going to show that using Comparator.comparing to sort Java Stream can make sorting elegant and…