The article argues that reactive programming and Project Loom are complementary tools for building concurrent applications in Java, rather than competing approaches. It highlights the strengths of each: ◉ Reactive programming’s focus on asynchronous operations and data streams. ◉ Project Loom’s ability to simplify concurrency with lightweight virtual threads. The key takeaway is that combining them can lead to highly responsive and scalable applications. 1. Reactive Programming Deep Dive Reactive programming is a paradigm for building applications that deal with data streams and asynchronous ..read more

In the ever-evolving landscape of software development, Oracle Java remains a cornerstone for developers around the world. As one of the most widely used programming languages, it is imperative to ensure that Java applications are secure against the latest threats. This article delves into the comprehensive strategies and best practices to safeguard your Java code, ensuring robust protection against potential vulnerabilities. Understanding the Importance of Java Security Java's popularity makes it a prime target for cyber threats. Understanding the inherent security challenges within Java ..read more

In this article, we will explore different approaches to check if a given number is a power of 2 in Java. We will cover the following methods: Loop Division Using Bitwise & Operations Counting Set Bits Using Integer.highestOneBit() Using Logarithm 1. Loop Division This approach involves continuously dividing the number by 2 and checking if the remainder is ever not zero. public class PowerOf2 {     public static boolean isPowerOfTwo(int n) {         if (n <= 0) {             return false;         ..read more

Unit testing concurrent code, especially code utilizing ExecutorService, presents unique challenges due to its asynchronous nature. Traditional approaches often involve using Thread.sleep() to wait for tasks to be completed, but this method is unreliable and can lead to flaky tests. In this article, we’ll explore alternative strategies to unit test ExecutorService without relying on Thread sleep method. This ensures reliable tests that do not depend on arbitrary sleep durations. 1. Understanding ExecutorService ExecutorService is a framework in Java for executing tasks asynchronously. It m ..read more

The Java LinkedHashMap class combines a hash table and linked list to maintain predictable iteration order, unlike HashMap. However, LinkedHashMap does not provide a direct method to get the position (index) of a key-value pair. This article explores methods to retrieve the index of a key-value pair in a LinkedHashMap. 1. Using Iteration One straightforward method is to iterate through the entrySet of the LinkedHashMap, comparing each key with the target key and returning the index when a match is found. LinkedHashMapIterationApproach.java public class LinkedHashMapIteration {   &n ..read more

Introduction to Oracle Java SE In the ever-evolving landscape of programming languages, Oracle Java SE (Standard Edition) stands out as a beacon of innovation and reliability. With each new version, Oracle introduces enhancements that redefine how developers interact with the language and build applications. As we delve into the future of programming, it's crucial to explore the latest innovations in Oracle Java SE and their potential impact on the software development industry. Key Innovations in Oracle Java SE Enhanced Performance and Scalability One of the most significant advancements ..read more

Throughout its decades-long history, Oracle Java has constantly evolved to keep up with the growing demands of business-critical performance and scalability. Being a simple yet robust and secure programming language, Java enables millions of developers to craft portable applications for embedded systems, mobiles, and the cloud. Oracle Java is the #1 programming language and development platform, helping enterprises worldwide rapidly innovate and improve the performance and stability of their application services. Oracle’s proven Java Development Kit (JDK), Oracle Java SE, allows developers to ..read more

Introduction to Oracle Cloud Infrastructure Oracle Cloud Infrastructure (OCI) is a suite of cloud services offered by Oracle Corporation, designed to help businesses run complex workloads in a secure, highly available, and scalable environment. With OCI, enterprises can deploy and manage applications with enhanced performance and lower costs. Oracle's cloud platform provides comprehensive solutions for computing, storage, databases, networking, and more, making it a versatile choice for businesses seeking robust cloud capabilities. Key Features of Oracle Cloud Infrastructure High-Performa ..read more

Discover how to filter a Map by keys, values, or both using Java 8’s Stream API with the filter() and collect() methods. These straightforward code snippets demonstrate how to create generic functions for filtering any Map based on its keys or values. Let us delve into understanding how to filter a map by keys and values. 1. Introduction In Java, a Map is a part of the Java Collections Framework and is used to store key-value pairs. Each key in a map is unique, and each key maps to exactly one value. Maps provide a way to look up values based on their corresponding keys, making data retrie ..read more

Java’s PriorityQueue is a data structure that allows us to store and retrieve elements in a specific order. This article explores how to use pairs with PriorityQueue and demonstrates how to use Comparator interface to control the sorting order. 1. What is a PriorityQueue? A PriorityQueue is a queue data structure where elements are ordered based on their priority rather than their insertion order. This data structure is part of the Java Collections Framework and is typically used when processing elements in a specific order, defined by their natural ordering or a custom comparator. 1.1 Or ..read more