Java static block: static initializers and other uses
The `static` block is a global initialization area for a class. You can think of it as a class's static constructor. If declared, it executes the first time a class is accessed, either to instantiate it or to use one of its static methods or properties. It shouldn't be confused with the `static` modifier that can be used with one of these methods or attributes.
Among the limitations of this block are:
It doesn't execute automatically simply by running the program; the class must be used.
Non-static methods or attributes of the same class cannot be referenced within it, the same limitation as with other static attributes or methods.
While a method can be accessed, an attribute cannot be accessed if it's declared after the block itself. This is one of the few times Java is particularly strict about the order in which elements appear within a class.
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