How to make sure that Spring Framework artifacts have consistent versions in Maven? It turns out that its very easy to prevent library mismatch errors!
BeanCurrentlyInCreationException is thrown by Spring Framework when it meets circular reference while setting up application context. Here we show what is *it and how to fix it!
Spring field injection
This is probably the most common form of Dependency Injection, because it reduces a lot of boilerplate code needed with setter or constructor injections.
Spring Setter Injection
This form of Dependency Injection is used very often, especially for optional dependencies and reconfigurable beans. We’ll show how to use it using Spring annotations.
Spring Constructor Injection
This is one of the simplest and cleanest types of Dependency Injection in the Spring Framework. In this post we show how to use it with help of Spring annotations.
How to exclude classes/packages from Component Scan in Spring Framework? The task may be tricky, especially when regexp is involved. See how it works!
How to load properties file in Spring? In the following example we show how to use PropertySource class to load properties into Spring Application Context.
How to inject null value in Spring Framework? This can be easily done using Spring Expression Language as in the following example.
How to find annotated classes using Spring and read metadata from them? Sometimes you may want to attach metadata to your classes using custom annotations. Here’s an example how you can leverage Spring‘s classpath scanning mechanism to do that.
How to create “Hello, World” app in Spring Boot?