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Making a JSON POST Request With HttpURLConnection 1. Overview In this tutorial, we’ll demonstrate how to make a JSON POST request using HttpURLConnection. 2. Building a JSON POST Request with HttpURLConnection ==== 2.1. Create A URL Object Let’s create a URL object with the target URI string that accepts the… Continue Reading httpurlconnection-post
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Introduction to the Java ArrayDeque 1. Overview In this tutorial, we’ll show how to use the Java’s ArrayDeque class – which is an implementation of Deque interface. An ArrayDeque (also known as an “Array Double Ended Queue”, pronounced as “ArrayDeck”) is a special kind of a growable array that allows… Continue Reading java-array-deque
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Java in 2017 Survey Results We’ve been running the “State of Java” survey for many years now – to get a good read of the state of the Java ecosystem. Last year, 2250 Java developers decided to take the time to answer the questions, and so it’s fantastic to see… Continue Reading java-in-2017
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A Guide To UDP In Java 1. Overview In this article, we will be exploring networking communication with Java, over the User Datagram Protocol (UDP). UDP is a communication protocol that transmits independent packets over the network with no guarantee of arrival and no guarantee of the order of delivery.… Continue Reading udp-in-java
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A Guide to Iterator in Java 1. Introduction An Iterator is one of many ways we can traverse a collection, and as every option, it has its pros and cons. It was first introduced in Java 1.2 as a replacement of Enumerations and: introduced improved method names made it possible… Continue Reading java-iterator
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Quick Guide to EasyRandom in Java 1. Overview In this tutorial, we’ll show how to generate Java objects with the EasyRandom library. 2. EasyRandom In some cases, we need a set of model objects that we’ll use for testing purposes. Or, we’d like to populate our test database with some… Continue Reading java-easy-random
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Avoiding the ConcurrentModificationException in Java Java Exception 1. Introduction In this article, we’ll take a look at the ConcurrentModificationException class. First, we’ll give an explanation how it works, and then prove it by using a test for triggering it. Finally, we’ll try out some workarounds by using practical examples. 2.… Continue Reading java-concurrentmodificationexception
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Generating Prime Numbers in Java 1. Introduction In this tutorial, we’ll show various ways in which we can generate prime numbers using Java. If you’re looking to check if a number is prime – here’s a quick guide on how to do that. 2. Prime Numbers Let’s start with the… Continue Reading java-generate-prime-numbers
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Introducing nudge4j 1. Overview nudge4j allows developers to see the impact of any operation straight-away and provides an environment in which they can explore, learn, and ultimately spend less time debugging and redeploying their application. In this article, we will explore what nudge4j is, how it works, and how any… Continue Reading nudge4j
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A Guide to Java GSS API 1. Overview In this tutorial, we’ll understand the Generic Security Service API (GSS API) and how we can implement it in Java. We’ll see how we can secure network communication using the GSS API in Java. In the process, we’ll create simple client and… Continue Reading java-gss
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