Spring Boot and Angular are two technologies that are becoming more and more popular. But combining them can be a little bit challenging, especially for developers familiar with more legacy JavaScript frameworks. That’s why I decided to create a video course that will teach you everything you need to create applications with Angular and Spring… Continue reading
Posts tagged "java"
Send emails in Spring Boot
If you are looking for a fast tutorial on how to send emails in Spring Boot applications, then you landed in the right place 😀 1) Add the spring-boot-starter-mail dependency to the pom.xml file <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-mail</artifactId> </dependency> 2) Configure a mail server for testing purposes. I would recommend Mailtrap, a free online service for… Continue reading
Initialize a Relational Database in Spring Boot Using Java or SQL
Initializing a database means to put it in a state that allows an application to work as expected. Think about it for a second. When you deliver a product to your client, do you ship it with an empty database and let them populate it or create the schema? I sure hope not 🙂 The… Continue reading
Fix Truncation of @PathVariable After Dot in Spring MVC
The Problem Recently, while working on a project I encountered a strange behavior with the path variable binding in Spring controllers. It seems that, by default, the text after the last dot gets truncated in the @PathVariable value. So I decided to share this problem and a solution for it in this post:) Let’s take… Continue reading
Spring Conditional Bean Configuration: Load Beans Based on Application Properties File
In complex applications, there are times when you will want the Spring dependency injector to create an instance of a class based on a given condition. One common case is to configure the bean definition based on a property defined in the application.properties file. By using this approach you can load custom beans at runtime… Continue reading
How to deploy Spring Boot applications on Tomcat (as WAR)
By default, Spring-Boot applications are packaged as JAR files and they have an embedded container that hosts them. The embedded container allows developers to not have any web server installed in order to run their apps. This is pretty cool and brings many benefits for developers like easier deployment and management. However, customers usually have… Continue reading
Enums with Custom Numeric Values in Java
Enums in Java are used to represent a list of predefined values. Most of the time, you will probably not care about the associated value of an enum constant. In this scenario, you will write enums like this: /** * Normal enum in which no custom numeric value is associated with enum member */ public… Continue reading
Create a UDP Client-Server in Java Using the Producer Consumer Pattern
In a previous post, I created a simple UDP client-server in Java. While that implementation is perfectly OK, and you can certainly use it in your applications, it does have 2 major pitfalls: The UDP client has more responsibilities than it has to. It listens on UDP for incoming messages, but it also handles their… Continue reading
Create a Simple UDP Client-Server in Java
From my experience, creating networking applications in modern programming languages is not a daunting task anymore. A lot of the complicated details are abstracted in base class libraries. And Java is no exception. In this post, you will see how to create a basic client-server application that communicates via UDP unicast. Without further ado, let’s write some… Continue reading
Spring Boot 101 Tutorials
Spring Boot is an excellent framework for developing Java applications because it allows developers to be very productive. Today, I am very excited to publish my first YouTube video series on this topic. Spring Boot 101 is a tutorial that will show you how to use the Spring Boot framework to boost your productivity, create complex applications with ease and eliminate most… Continue reading