Inheritance Flashcards
1
Q
What is the purpose of the ‘this’ keyword in Java?
A
The this keyword refers to the current instance of the object.
In the case of method overriding, this is used for calling the method of the current class.
2
Q
Explain the concept of Inheritance?
A
Some objects share certain characteristics and behaviour. By using Inheritance, we can put the common behaviour and characteristics in a base class which is also known as a super class. Inheritance promotes code reuse, method overriding and polymorphism.
3
Q
What is the purpose of “super” keyword in java?
A
The super keyword refers to the immediate parent class of an object. Using super we can call a method of the parent class from the method of a child class.
