Computer scienceProgramming languagesJavaCode organizationObject-oriented programmingClass hierarchiesBuilding class hierarchies

Runtime type checking

Statements which returns true

Report a typo

You are given a class hierarchy consisting of three classes (fields and methods are skipped):

class Person { }

class Employee extends Person { }

class Customer extends Person { }

We have several objects:

Person person = new Person();

Person customer = new Customer();

Select all statements that return true.

Select one or more options from the list

customer.getClass() == Customer.class

customer.getClass() == Employee.class

Person.class.isInstance(customer)

Employee.class.isInstance(person)

Customer.class.isInstance(customer)

___

Create a free account to access the full topic