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Test a Linked List for Cyclicity 1. Introduction A singly linked list is a sequence of connected nodes ending with a null reference. However, in some scenarios, the last node might point at a previous node – effectively creating a cycle. In most cases, we want to be able to… Continue Reading java-linked-list-cyclicity
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Generalized Target-Type Inference in Java 1. Introduction Type Inference was introduced in Java 5 to complement the introduction of generics and was substantially expanded in following Java releases, which is also referred to as Generalized Target-Type Inference. In this tutorial, we’ll explore this concept with code samples. 2. Generics Generics… Continue Reading java-generalized-target-type-inference
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Get Started with Java Java is one of the most popular programming languages, often used for building web and enterprise scale applications. This collection of tutorials will help you get started with the basic concepts in Java. Java Language Basics Before learning about classes and objects, let’s start with the… Continue Reading get-started-with-java-series
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Binary Numbers in Java 1. Introduction The binary number system uses 0s and 1s to represent numbers. Computers use binary numbers to store and perform operations on any data. In this tutorial, we’ll learn how to convert binary to decimal and vice versa. Also, we’ll perform addition and subtraction on… Continue Reading java-binary-numbers
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Software Transactional Memory in Java Using Multiverse 1. Overview In this article, we’ll be looking at the Multiverse library – which helps us to implement the concept of Software Transactional Memory in Java. Using constructs out of this library, we can create a synchronization mechanism on shared state – which… Continue Reading java-multiverse-stm
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Introduction to SPF4J 1. Overview Performance testing is an activity often pushed towards the end stages of the software development cycle. We usually rely on Java profilers to help troubleshoot performance issues. In this tutorial, we’ll go through the Simple Performance Framework for Java (SPF4J). It provides us APIs that… Continue Reading spf4j
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Validating Input with Finite Automata in Java 1. Overview If you’ve studied CS, you’ve undoubtedly taken a course about compilers or something similar; in these classes, the concept of Finite Automaton (also known as Finite State Machine) is taught. This is a way of formalizing the grammar rules of languages.… Continue Reading java-finite-automata
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Efficient Word Frequency Calculator in Java 1. Overview In this tutorial, we’ll show various ways of implementing a word counter in Java. 2. Counter Implementations Let’s start by simply calculating the word count of words in this array: static String[] COUNTRY_NAMES = { “China”, “Australia”, “India”, “USA”, “USSR”, “UK”, “China”,… Continue Reading java-word-frequency
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Microbenchmarking with Java 1. Introduction This quick article is focused on JMH (the Java Microbenchmark Harness). This has been added to the JDK starting with JDK 12; for earlier versions, we have to add the dependencies explicitly to our projects. Simply put, JMH takes care of the things like JVM… Continue Reading java-microbenchmark-harness
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Introduction to AutoValue 1. Overview AutoValue is a source code generator for Java, and more specifically it’s a library for generating source code for value objects or value-typed objects. In order to generate a value-type object all you have to do is to annotate an abstract class with the @AutoValue… Continue Reading introduction-to-autovalue
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