IntroOOP Docs
Fall 2026
API

# o1.classes

package o1.classes

## Members list

### Type members

#### Classlikes

class Customer(val `name`: String, val `customerNumber`: Int, val `email`: String, val `address`: String)

Class `Customer` represents customers (of an imaginary, way simplified online store). Each customer has attributes such as name and contact information. A customer object is immutable; to represent changed customer info, a new object is created.

Class `Customer` represents customers (of an imaginary, way simplified online store). Each customer has attributes such as name and contact information. A customer object is immutable; to represent changed customer info, a new object is created.

## Parameters

address

  the street address of the customer

customerNumber

  a number that uniquely identifies the customer (a positive integer)

email

  the email address of the customer

name

  the full name of the customer

## Attributes

Supertypes
  class Object
  trait Matchable
  class Any

class Employee(var `name`: String, val `yearOfBirth`: Int, var `monthlySalary`: Double)

The class `Employee` represents employees (in an imaginary accounting app). Each employee has a number of attributes such as name and monthly salary. Most of these attributes are mutable.

The class `Employee` represents employees (in an imaginary accounting app). Each employee has a number of attributes such as name and monthly salary. Most of these attributes are mutable.

## Parameters

monthlySalary

  the monthly salary of the employee, in euros and excluding any incidental costs

name

  the name of the employee

yearOfBirth

  the year the employee was born

## Attributes

Supertypes
  class Object
  trait Matchable
  class Any

class Order(val `number`: Int, val `orderer`: Customer)

Class `Order` represents orders of zero or more products (in an imaginary and way simplified online store). This simple implementation does not record every individual instance of a product added to the order, only the total price of the added products.

Class `Order` represents orders of zero or more products (in an imaginary and way simplified online store). This simple implementation does not record every individual instance of a product added to the order, only the total price of the added products.

## Parameters

number

  a number that uniquely identifies the order (a positive integer)

orderer

  the customer that placed the order

## Attributes

Supertypes
  class Object
  trait Matchable
  class Any