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Object Oriented Concept MCQ question and answer with solution | PHP Programming

Learn Object Oriented Concept MCQ Questions and answers with easy and logical explanations. Object Oriented Concept MCQ in PHP programming provides all type of technical mcq questions which is important for technical exams, cumpus exams and other entrance examination Page-8 section-1

Each section contains 100 MCQs on Object Oriented Concept .
71
If one intends to create a model that will be assumed by a number of closely related objects, which class must be used?
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
72
If your object must inherit behavior from a number of sources you must use a/an
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
73
Which method is used to tweak an object’s cloning behavior?
Discuss
Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
74
Which feature allows us to call more than one method or function of the class in single instruction?
Discuss
Answer & Solution
Answer: Option D
Solution:
Following is a basic example of method chaining in php: $a = new Order(); $a->CreateOrder()->sendOrderEmail()->createShipment();
75
Which magic method is used to implement overloading in PHP?
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
76
A package is a set of related _________
Discuss
Answer & Solution
Answer: Option B
Solution:
A package is a set of related classes, usually grouped together in some way. Packages can be used to separate parts of a system from one another.
77
Till which version of PHP, developers were forced to name their files in a global context?
Discuss
Answer & Solution
Answer: Option D
Solution:
If you named a class ShoppingBasket, it would become instantly available across your system.
78
Which of the following can you place inside a namespace?
1. classes
2. functions
3. variables
Discuss
Answer & Solution
Answer: Option D
Solution:
A namespace is a bucket in which you can place your classes, functions and variables.
79
Which one of the following is the correct way of declaring a namespace?
Discuss
Answer & Solution
Answer: Option A
Solution:
The namespace declaration must be the first statement in its file.
80
Which symbol is used to declare nested namespaces?
Discuss
Answer & Solution
Answer: Option B
Solution:
Example – namespace com\getinstance\util;