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Raw Types in Java 1. Introduction In this quick tutorial, we’re going to take a look at raw types, what they are, and why we should avoid them. 2. Raw Types A raw type is a name for a generic interface or class without its type argument: List list =… Continue Reading raw-types-java
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Kotlin Scope Functions 1. Overview Scope functions are very useful, and we use them frequently in Kotlin code. In this tutorial, we’ll explain what they are and also provide some examples of when to use each one. 2. also First, let’s take a look at the mutation functions also and… Continue Reading kotlin-scope-functions
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Injecting Git Information Into Spring 1. Overview In this tutorial, we’re going to show how to inject Git repository information into a Maven-built Spring Boot-based application. In order to do this we will use maven-git-commit-id-plugin – a handy tool created solely for this purpose. 2. Maven Dependencies Let’s add a… Continue Reading spring-git-information
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Copying a HashMap in Java 1. Overview In this tutorial, we’ll explore the concept of a shallow vs deep copy of a HashMap along with several techniques to copy a HashMap in Java. We’ll also consider some of the external libraries that can help us in specific cases. 2. Shallow… Continue Reading java-copy-hashmap
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How to Find and Open a Class with Eclipse 1. Introduction In this article, we’re going to take a look at a number of ways to find a class in Eclipse. All the examples are based on Eclipse Oxygen. 2. Overview In Eclipse, we often need to look for a… Continue Reading eclipse-find-class
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Java IO – Conversions This tutorial series focuses on core Java IO – Conversions: Java IO – To and From InputStream Java IO – To and From Reader 1. Java IO – to and from InputStream Let’s now cover the basic conversions – to and from an InputStream: 1.1. From… Continue Reading java-io-conversions
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Exploring the New Spring Cloud Gateway 1. Overview In this article, we’ll explore the main features of the Spring Cloud Gateway project, a new API based on Spring 5, Spring Boot 2 and Project Reactor. The tool provides out-of-the-box routing mechanisms often used in microservices applications as a way of… Continue Reading spring-cloud-gateway
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HttpClient with SSL 1. Overview This article will show how to configure the Apache HttpClient 4 with “Accept All” SSL support. The goal is simple – consume HTTPS URLs which do not have valid certificates. If you want to dig deeper and learn other cool things you can do with… Continue Reading httpclient-ssl
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Iteration in Thymeleaf 1. Overview Thymeleaf is a versatile Java template engine for processing XML, XHTML and HTML5 documents. In this quick tutorial, we’ll take a look at how we can perform iteration with Thymeleaf, along with some other features provided by the library. For more information about Thymeleaf, take… Continue Reading thymeleaf-iteration
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Running JUnit Tests Programmatically, from a Java Application 1. Overview In this tutorial, we’ll show how to run JUnit tests directly from Java code – there are scenarios where this option comes in handy. If you are new to JUnit, or if you want to upgrade to JUnit 5, you can… Continue Reading junit-tests-run-programmatically-from-java
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