11. # is the visibility code for?
12. Which one of the following is displayed in the third section of the class diagram?
13. Inheritance in class diagrams is depicted by________
14. A valid class name starts with a ......., followed by any number of letters, numbers, or underscores.
1. Number
2. Letter
3. Period
4. Underscore
1. Number
2. Letter
3. Period
4. Underscore
15. PHP makes it possible to automatically execute code when a new instance of a class is created, using a special class method called a ........
16. Once a class has been defined, objects can be created from the class with the ....... keyword.
17. The visibility of a property or method can be defined by prefixing the declaration with the keywords public, protected or private. Class members declared public can be accessed everywhere. Members declared protected can be accessed only within the class itself and by inherited classes. Members declared as private are not accessible.
18. All PHP classes come with a default constructor that takes .... arguments.
19. You access an object’s properties and methods using the ....... operator ( a hyphen followed by a greater than symbol).
20. When you extend a class, the subclass inherits all of the ........ methods from the parent class.
Read More Section(Object Oriented Concept)
Each Section contains maximum 100 MCQs question on Object Oriented Concept. To get more questions visit other sections.