Java

Default parameters for Java methods: 5 Approaches

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Java lacks direct support for default parameter values as seen in some other programming languages. However, there are several techniques and patterns you can utilize to achieve similar functionality. In this tutorial, we’ll explore five different approaches to emulate default parameter values in Java. 1. Method Overloading Method overloading involves creating multiple versions of a … Read more

Fastest way to sort an Array in Java

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Sorting arrays efficiently is crucial for optimizing performance in Java applications. With numerous sorting algorithms and built-in methods available, it’s essential to identify the most efficient approach for different scenarios. Let’s delve into a comparative analysis of various sorting methods to determine the fastest way to sort a Java array. Introduction Sorting large arrays efficiently … Read more

Comparing Java Records with Lombok

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Java records and Lombok are both tools that aim to reduce boilerplate code in Java, but they have different approaches and use cases. In this article we will compare them to understand which is the perfect use case of each approach. Java Records overview: For example: Lombok Library overview: For example: Please note that, in … Read more

How to generate an Heap Dump in Java

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A heap dump is a snapshot of the Java Virtual Machine’s memory, capturing the state of objects and their relationships. Analyzing heap dumps aids in diagnosing memory-related issues, identifying memory leaks, and optimizing application performance. Let’s explore five different methods to generate a heap dump in Java. 1. Using jmap Command-Line Tool Step 1: Identify … Read more

Mastering Virtual Threads: A Comprehensive Tutorial

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Virtual threads, also known as project Loom, are a new feature available in Java 21 that aims to provide lightweight, efficient, and scalable concurrency. They are designed to improve the performance and efficiency of concurrent applications by reducing the overhead associated with traditional thread-based concurrency. At the same time, they allow write asynchronous code in a much simpler way than reactive programming.

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How to analyze large Java Heap Dumps

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One critical tool in diagnosing memory-related issues is the Heap dump, a snapshot of an application’s memory at a particular point in time. However, as applications become larger and more intricate, heap dumps can also become massive and challenging to analyze. In this article, we will learn how to examine Heap Dump data even with lightly equipped hardware.

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How to init an Array in Java made simple

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In this comprehensive guide, we uncover the diverse techniques to init an array in Java, discussing basic and advanced approaches. Whether you’re diving into static or dynamic array creation, Arrays.copy or exploring data Streaming , this article equips you with the essential know-how to streamline your Java programming experience Static Array Initialization Static array initialization … Read more