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Multi-Swarm Optimization Algorithm in Java 1. Introduction In this article, we’ll take a look at a Multi-swarm optimization algorithm. Like other algorithms of the same class, its purpose is to find the best solution to a problem by maximizing or minimizing a specific function, called a fitness function. Let’s start… Continue Reading java-multi-swarm-algorithm
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Bubble Sort in Java 1. Introduction In this quick article, we’ll explore the Bubble Sort algorithm in detail, focusing on a Java implementation. This is one of the most straightforward sorting algorithms; the core idea is to keep swapping adjacent elements of an array if they are in an incorrect… Continue Reading java-bubble-sort
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Converting Between Roman and Arabic Numerals in Java 1. Introduction The ancient Romans developed their own numeric system called Roman numerals. The system uses letters with different values to represent numbers. Roman numerals are still used today in some minor applications. In this tutorial, we’ll implement simple converters that will… Continue Reading java-convert-roman-arabic
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Locality-Sensitive Hashing in Java Using Java-LSH Algorithms Java 1. Overview The Locality-Sensitive Hashing (LSH) algorithm hashes input items so that similar items have a high probability of being mapped to the same buckets. In this quick article, we will use the java-lsh library to demonstrate a simple use case of… Continue Reading locality-sensitive-hashing
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Bucket Sort in Java 1. Introduction In this article, we’ll dive into the bucket sort algorithm. We’ll start with a quick bit of theory, before working on the Java implementation alongside unit testing our solution. Finally, we’ll look at the time complexity of bucket sorting. 2. The Theory of Bucket… Continue Reading java-bucket-sort
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Heap Sort in Java 1. Introduction In this tutorial, we’ll see how Heap Sort works, and we’ll implement it in Java. Heap Sort is based on the Heap data structure. In order to understand Heap Sort properly, we’ll first dig into Heaps and how they are implemented. 2. Heap Data… Continue Reading java-heap-sort
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Introduction to JGraphT 1. Overview Most of the time, when we’re implementing graph-based algorithms, we also need to implement some utility functions. JGraphT is an open-source Java class library which not only provides us with various types of graphs but also many useful algorithms for solving most frequently encountered graph… Continue Reading jgrapht
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A Collaborative Filtering Recommendation System in Java Algorithms 1. Introduction In this tutorial, we’ll learn all about the Slope One algorithm in Java. We’ll also show the example implementation for the problem of Collaborative Filtering (CF) – a machine learning technique used by recommendation systems. This can be used, for… Continue Reading java-collaborative-filtering-recommendations
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A Guide to the Folding Technique in Java 1. Introduction In this tutorial, we consider hashing techniques used in various data structures that provide constant time access to their elements. We discuss in more detail the so-called folding technique and give a short introduction to mid-square and binning techniques. 2.… Continue Reading folding-hashing-technique
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Practical Java Examples of the Big O Notation 1. Overview In this tutorial, we’ll talk about what Big O Notation means. We’ll go through a few examples to investigate its effect on the running time of your code. 2. The Intuition of Big O Notation We often hear the performance… Continue Reading java-algorithm-complexity
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