Perl MCQs with answers Page - 3

Explanation

Destructors in Perl are called when the object goes out of scope. It is used to clean up the reference of the object.

Explanation

Method overwriting in Perl is a feature using which we can rewrite the method in child class.

Explanation

Run time polymorphism is implemented in Perl using method overwriting.

Explanation

Common types of inheritance in Perl are:

    Simple inheritance
    Multiple inheritance
    Multilevel inheritance
    Hierarchical inheritance

Explanation

In multiple inheritance, one class inherits more than two classes in Perl.

Explanation

In multilevel inheritance, a subclass of a class is inherited by another class in Perl.

Explanation

Polymorphism in Perl is defining multiple methods under the same name.

Explanation

Encapsulation is wrapping up data and related methods to a single unit in Perl.