How do you pronounce the word 'override'?
override
noun, verb
How to pronounce override?
The word override sounds like o-ver-ride
/oʊvər'raɪd/
What is the definition of override?
nounthe act of nullifying; making null and void; counteracting or overriding the effect or force of something
verbrule against
nouna manually operated device to correct the operation of an automatic device
verbcounteract the normal operation of (an automatic gear shift in a vehicle)
verbprevail over
Examples
- health considerations override financial concerns
verbride (a horse) too hard
What is the definition of 'override'?
- Override is a term used in programming to describe the ability of a subclass to provide a different implementation of a method that is already defined in its superclass.
How does 'override' work in object-oriented programming?
- In object-oriented programming, 'override' allows a subclass to provide a different implementation of a method that is inherited from its superclass. This allows the subclass to customize or modify the behavior of the method.
What is the purpose of 'override'?
- The purpose of 'override' is to allow subclasses to provide their own implementation of methods inherited from the superclass. This enables customization and specialization of behavior in the subclasses.
What is the syntax for 'override' in most programming languages?
- The syntax for 'override' varies slightly depending on the programming language, but it typically involves using the 'override' keyword before the method declaration in the subclass.
Can any method be overridden?
- In most object-oriented programming languages, only methods marked as 'virtual', 'abstract', or 'open' in the superclass can be overridden. Non-virtual or non-abstract methods are not designed to be overridden.
What happens if a method with 'override' is not actually overriding a method from the superclass?
- If a method declaration includes the 'override' keyword but is not actually overriding a method from the superclass, it will usually result in a compilation error. The compiler will detect this and notify the programmer.
Can a method in the superclass call the overridden method in the subclass?
- Yes, a method in the superclass can call the overridden method in the subclass, but the call will invoke the overridden implementation. This is known as method chaining or method dispatching.
Is 'override' used in all programming languages?
- No, the 'override' keyword is not used in all programming languages. The concept of overriding methods exists in most object-oriented languages, but the specific keyword or syntax may differ.
What is the difference between 'override' and 'overload'?
- In object-oriented programming, 'override' is used to provide a different implementation of a method in a subclass, while 'overload' is used to define multiple methods with the same name but different parameters in the same class or subclass.
Can 'override' be used in other contexts outside of object-oriented programming?
- 'Override' is primarily used in object-oriented programming to describe method overriding. However, the term 'override' can also be used more generally to indicate replacing or altering the default behavior of a system or component.
