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Display All Time Zones With GMT And UTC in Java 1. Overview Whenever we deal with times and dates, we need a frame of reference. The standard for that is UTC, but we also see GMT in some applications. In short, UTC is the standard, while GMT is a time… Continue Reading java-time-zones
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Run a Java Application from the Command Line 1. Overview Typically, every meaningful application includes one or more JAR files as dependencies. However, there are times a JAR file itself represents a standalone application or a web application. We’ll focus on the standalone application scenario in this article. Hereafter, we’ll… Continue Reading java-run-jar-with-arguments
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ZoneOffset in Java 1. Introduction In our world, each country follows a certain time-zone. These time-zones are crucial for expressing time conveniently and effectively. However, time-zones can sometimes be inexplicit due to variables such as daylight saving time, coming into the picture. Moreover, while representing these time-zones in our code,… Continue Reading java-zone-offset
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Java Base64 Encoding and Decoding 1. Overview In this tutorial, we’re going to explore the various utilities that provide Base64 encoding and decoding functionality in Java. We’re mainly going to illustrate the new Java 8 APIs as well as the utility APIs coming out of Apache Commons. Further reading: Guide… Continue Reading java-base64-encode-and-decode
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Composition, Aggregation, and Association in Java 1. Introduction Objects have relationships between them, both in real life and in programming. Sometimes it’s difficult to understand or implement these relationships. In this tutorial, we’ll focus on Java’s take on three sometimes easily mixed up types of relationships: composition, aggregation, and association.… Continue Reading java-composition-aggregation-association
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Introduction to Atlassian Fugue 1. Introduction Fugue is a Java library by Atlassian; it’s a collection of utilities supporting Functional Programming. In this write-up, we’ll focus on and explore the most important Fugue’s APIs. 2. Getting Started with Fugue To start using Fugue in our projects, we need to add… Continue Reading java-fugue
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Guide to Creating and Running a Jar File in Java 1. Overview Usually, it’s convenient to bundle many Java class files into a single archive file. In this tutorial, we’re going to cover the ins and outs of working with jar – or Java ARchive – files in Java. Specifically,… Continue Reading java-create-jar
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Selection Sort in Java 1. Introduction In this tutorial, we’ll learn Selection Sort, see its implementation in Java, and analyze its performance. 2. Algorithm Overview Selection Sort begins with the element in the 1st position of an unsorted array and scans through subsequent elements to find the smallest element. Once found,… Continue Reading java-selection-sort
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Java Compiler Error: “class, interface, or enum expected” Java 1. Overview In this quick tutorial, we’re going to talk about the Java compiler error “class, interface, or enum expected”. This error is mainly faced by developers who are new to the java world. Let’s walk through a few examples of this… Continue Reading java-class-interface-enum-expected
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