------cannot have properties, while abstract classes can Sol:

Related MCQs

• -------are used to declare methods that can be used in multiple classes. Traits can have methods and abstract methods that can be used in multiple classes. Sol:
• ------are used to declare methods that can be used in multiple classes. Traits can have methods and abstract methods that can be used in multiple classes.
• All methods in an-----are abstract, so they cannot be implemented in code and the abstract keyword is not necessary
• All------methods must be public, while abstract class methods is public or protected Sol:
• The-----will inherit all the public and protected properties and methods from the parent class. In addition, it can have its own properties and methods.
• An------class is a class that contains at least one abstract method Sol:
• An abstract class or method is defined with the------keyword: Sol:
• The----class method must be defined with the same name and it re declares the parent abstract method Sol:
• ------properties can be called directly - without creating an instance of a class. Sol:
• -----make it easy to use a variety of different classes in the same way. When one or more classes use the same interface, it is referred to as "polymorphism"