How to find out information about compiled Java version.
How to deal with UnsupportedClassVersionError and “class file has wrong version”
How to check Java version used to compile a class
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Hibernate Table Per Class inheritance mapping
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Advantages and disadvantages of using Hibernate Table Per Class inheritance mapping
Hibernate Joined Table inheritance mapping
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Pros and Cons of using Hibernate Joined Table inheritance mapping
Hibernate Single Table inheritance mapping
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Pros and Cons of using Hibernate Single Table inheritance mapping
Gradle dependency management in multi module project
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In this tutorial you will know, how you can organize efficiently your dependencies in project with multiple modules.
Find element in unordered list by predicate
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Assume we have an unordered list of objects and we want to find particular element based on the predicate.
As elements can appear in any order, we cannot use any search algorithms, we have to iterate over all the elements in the collection.
Let’s check what are the ways of finding such element.
Hexagonal Architecture example
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In this tutorial we will create simple Spring application based on the Hexagonal Architecture (also called as ports and adapters). This concept is focused on separating implementation of business rules from technical details, it is very flexible and doesn’t require specific implementation (like naming of the modules , classes, adapters and so on).
You can use this example as template to start with your own application.
Gradle – publish artifacts to Maven local repository
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Configuration of a Gradle task publishing (installing) artifacts into Maven local repository.
Gradle – reading from Maven local repository
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In this short post we will see how to use Maven local repository as a source of dependencies.
This approach can be useful during local development, when for some reasons the same dependencies are needed by projects managed by different build automation tools.
Initialize array with values in one line
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In this tutorial we will check how we can initialize list with values in one line.