Computer scienceProgramming languagesJavaCode organizationObject-oriented programmingClass hierarchiesBuilding class hierarchies

Runtime type checking

Select statements

Report a typo

Here's 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 employee = new Employee();

Person customer = new Customer();

Select all statements that return true.

Select one or more options from the list

employee.getClass() == Employee.class

customer instanceof Person

customer instanceof Customer

employee.getClass() == Person.class

customer instanceof Employee

___

Create a free account to access the full topic