Reactive Programming with Java Project Loom

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...

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Oracle Java Security: Protecting Your Code from the Latest Threats

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...

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Check if a Number Is Power of 2 in Java

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 DivisionUsing Bitwise & OperationsCounting Set BitsUsing Integer.highestOneBit()Using Logarithm1. Loop DivisionThis approach involves continuously dividing the number by 2 and checking if...

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Using Java 8 Optionals: Perform Action Only If All Are Present

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Java’s Optional class provides a container object which may or may not contain a non-null value. This is useful for avoiding null checks and preventing NullPointerException. Sometimes, we may need to perform an action only if multiple Optional objects contain values. This article will guide us through various...

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Unit Testing of ExecutorService in Java With No Thread sleep

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...

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Finding a Key’s Index in Java LinkedHashMap

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...

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