Can abstract class have constructor?

Like any other classes in Java, abstract classes can have constructors even when they are only called from their concrete subclasses .

Constructor in Java Abstract Class. Constructor is always called by its class name in a class itself. A constructor is used to initialize an object not to build the object .

In abstract class, we have an instance variable, abstract methods, and non-abstract methods. We need to initialize the non-abstract methods and instance variables, therefore abstract classes have a constructor .

Like C++ or Java abstract class in PHP can contain constructor also .19 Tem 2019