Java Programming Tutorials

Java programming tutorials with many code examples!

Spring inject null value

Problem:

How to inject null value in Spring Framework? This can be easily done using Spring Expression Language as in the following example.

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Spring find annotated classes

Problem:

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.

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