One of the most common programmatic tasks in Java is to join String array to a single String. It might be useful for logging an array content, or to build an SQL query, or for many more reasons. The point is - there is no single convenient solution supported by the language, but there are many options to concatenate multiple Strings into one. In this post, I will show you a few such options and I will execute simple performance tests to compare their efficiencies.
In October 2022, Google announced joining Eclipse Adoptium Working Group. It is a significant step forward for Adoptium. That move will definitely increase popularity of Eclipse Temurin JDK as one of many Java Development Kit distributions.
Constructors in Java classes work well when they are simple. With growing complexity, the code becomes less readable. It gets worse and worse until it reaches a point when Java itself says enough! and rejects it. Can you put complex logic to a constructor? Is a static factory method an alternative?
Sometimes, it is convenient to start implementing the frontend before having the backend ready. The backend does not expose an API, yet, but you want to proceed with the frontend development. How to mock REST API in AngularTS until the real API is ready?
Java Streams are good for manipulating a collection of objects. A classic example of a collection that is often used for streams is a list. Rarely, but still sometimes, we want to transform a list to a map. See how.
- Thread-safe alternative to i++
- Is i++ atomic in Java?
- Breaking down into modules in Angular
- Will Spring4Shell and Log4Shell change the view on community projects?
- Spring Data JDBC with two datasources
- ExecutorService - how to complete a task by multiple threads in Java
- Design patterns in examples - State
- Design patterns in examples - Memento
- Tutorial for webpack 4 - part 13 - live code replacement
- MySQLSyntaxErrorException: Table 'db.settings' doesn't exist
- Tutorial for webpack 4 - part 12 - fix for IE11 problem
- Tutorial for webpack 4 - part 11 - external JS library (jquery-ui)
- Tutorial for webpack 4 - part 10 - watching for changes
- Tutorial for webpack 4 - part 09 - external CSS library (Bootstrap)
- Tutorial for webpack 4 - part 08 - external JS library (jQuery)
- Tutorial for webpack 4 - part 07 - multiple JS files for a page
- Tutorial for webpack 4 - part 06 - SCSS
- Tutorial for webpack 4 - part 05 - CSS
- Tutorial for webpack 4 - table of contents
- Tutorial for webpack 4 - part 04 - Modes
- Tutorial for webpack 4 - part 03 - HTML files in bundles
- Tutorial for webpack 4 - part 02 - first bundles
- Tutorial for webpack 4 - part 01 - introduction
- Var, let and const in JavaScript
- npm ERR! code ERR_STREAM_WRITE_AFTER_END
- Repeating actions with Spring Retry
- What is Kotlin?
- Logging configuration for Spring Boot (logback)
- Code minification and cache-busting
- Code minification with Gulp
- Plugin for EU cookies law
- Cannot find ServletContextInitializer
- Google and Facebook login in one application
- Module xyz reads package org.apache.commons.logging from both commons.logging and jcl.over.slf4j
- Getting started with Single Sign On with Facebook in Spring Boot app
- Grid system in Bootstrap 4
- Scheduling tasks in Spring
- Java Influencers about Project Jigsaw
- Testing for exceptions in Spock
- Using @ControllerAdvice to handle @Controller exceptions globally
- Angular 2 video tutorial for beginners
- Use the built-in formatting to construct this argument.
- Testing arguments of method execution with Spock Framework
- Adding rows to HTML table with jQuery
- Two equality operands (== and ===) in JavaScript
- Google Sign-In with Spring Security (no Spring Boot)
- Full reinstall of Node.js
- After NGPOLAND 2016
- Google profile details in Spring Boot application
- NGPOLAND 2016 is coming
- npm ERR! peerinvalid
- Getting started with Google Sign-In in Spring Boot app
- How it feels to learn JavaScript in 2016
- Basics of mutable and immutable classes
- Story of LazyInitializationException
- jQuery UI themes - buttons and dialogs
- Button and confirmation dialog in jQuery UI
- Google-like calendar in web application
- What the heck is the event loop anyway?
- Lombok - solution for getter and setter boilerplate code
- Enabling H2 db in Spring Boot app
- Spring Boot application deployment on standalone Tomcat
- Code minification - the archaism?
- Testing user interface with Sahi
- Setting up SASS with gulp
- How to mock static methods
- Custom filters in AngularJS
- JDBC connection strings and drivers
- Formatting data - filters in AngularJS
- Getting C/C++ performance out of Java
- ng-if vs ng-show
- Showing and hiding elements with ng-show and ng-hide
- Migration to Angular 2
- Creating custom AngularJS module
- Configuring AngularJS project to use UI Bootstrap
- How to add an external module to an AngularJS project
- Setting up AngularJS with bower and gulp