more and more
JVM Garbage Collectors 1. Overview In this quick tutorial, we will show the basics of different JVM Garbage Collection (GC) implementations. Additionally, we’ll find out how to enable a particular type of Garbage Collection in our applications. 2. Brief Introduction to Garbage Collection From the name, it looks like Garbage… Continue Reading jvm-garbage-collectors
getdocs
A Guide To Java Regular Expressions API 1. Overview In this article, we will discuss the Java Regex API and how regular expressions can be used in Java programming language. In the world of regular expressions, there are many different flavors to choose from, such as grep, Perl, Python, PHP,… Continue Reading regular-expressions-java
getdocs
Exclude Auto-Configuration Classes in Spring Boot Tests 1. Overview In this quick tutorial, we’ll discuss how to exclude auto-configuration classes from Spring Boot tests. Spring Boot’s auto-configuration feature is very handy, as it takes care of a lot of setup for us. However, this can also be an issue during… Continue Reading spring-boot-exclude-auto-configuration-test
getdocs
Remove or Replace part of a String in Java 1. Overview In this tutorial, we’re going to be looking at various means we can remove or replace part of a String in Java. We’ll explore removing and/or replacing a substring using a String API, then using a StringBuilder API and finally using… Continue Reading java-remove-replace-string-part
getdocs
Getting Started with Forms in Spring MVC 1. Overview In this article, we will discuss Spring forms and data binding to a controller. Also, we will have a look at one of the main annotations in Spring MVC i.e. @ModelAttribute. Of course, Spring MVC is a complex topic with lots… Continue Reading spring-mvc-form-tutorial
getdocs
Java Stream Filter with Lambda Expression 1. Introduction In this quick tutorial, we’ll explore the use of the Stream.filter() method when we work with Streams in Java. We’ll show how to use it and how to handle special cases with checked exceptions. 2. Using Stream.filter() The filter() method is an intermediate… Continue Reading java-stream-filter-lambda
getdocs
Protected: Java – Zip and unzip a collection of files Spring This post is password protected. To view it please enter your password below: Password:
getdocs
Static and Default Methods in Interfaces in Java 1. Overview Java 8 brought to the table a few brand new features, including lambda expressions, functional interfaces, method references, streams, Optional, and static and default methods in interfaces. Some of them have been already covered in this article. Nonetheless, static and… Continue Reading java-static-default-methods
getdocs
Check if a Java Array Contains a Value 1. Overview In this article, we’ll look at different ways to search an array for a specified value. We’ll also compare how these perform using JMH (the Java Microbenchmark Harness) to determine which method works best. 2. Setup For our examples, we’ll… Continue Reading java-array-contains-value
getdocs
Get Log Output in JSON 1. Introduction Most Java logging libraries today offer different layout options for formatting logs – to accurately fit the needs of each project. In this quick article, we want to format and output our log entries as JSON. We’ll see how to do this for… Continue Reading java-log-json-output
getdocs