Suppose you want submit job to ExecutorService. The Baroque versionYou could create a class that implements Callable:class MyJob implements Callable<Integer>{ @Override Integer call() throws Exception { return 42 }}and give it to ...
What is MapStruct?According to MapStruct website:MapStruct is a code generator that greatly simplifies the implementation of mappings between Java bean types based on a convention over configuration approach. The generated mapping code uses plain metho...
Extensions in Kotlin and GroovyKotlin and Groovy have mechanisms for extending existing classes without using inheritance or decorators. In both languages, the mechanisms are called extension methods. Their source code looks different, but generated by...