Question

which of the following statements about abstract methods is true? group of answer choices an abstract method has a name and parameters, but its implementation is not specified. an abstract method has only a name, but it implementation is not specified and it has no parameters. an abstract method has a name and is fully implemented, but it has no parameters. an abstract method has parameters and is fully implemented, but it has no defined name.

Answer 1

An abstract method has a name and parameters, but its implementation is not specified. Abstract methods are used in abstract classes and interfaces in object-oriented programming to define a method signature without providing an implementation.

Step-by-step explanation:

An abstract method has a name and parameters, but its implementation is not specified. Abstract methods are used in abstract classes and interfaces in object-oriented programming to define a method signature without providing an implementation. The implementation of the abstract method is left to the subclasses that extend the abstract class or implement the interface.

For example, in Java, we can define an abstract class with an abstract method:

public abstract class Shape {
public abstract double area();
}

Here, the abstract method 'area()' is defined in the abstract class 'Shape', but its implementation is not specified. Subclasses of 'Shape' such as 'Circle' or 'Rectangle' must provide their own implementation of the 'area()' method.