Scala Program: Class ContactInfo and customer with composition

Last update on December 21 2024 10:24:46 (UTC/GMT +8 hours)

Write a Scala program that creates a class ContactInfo with properties name, email, and address. Create a class Customer that includes a ContactInfo object.

Sample Solution:

Scala Code:

class ContactInfo(val name: String, val email: String, val address: String)

class Customer(val contactInfo: ContactInfo)

object CustomerApp {
  def main(args: Array[String]): Unit = {
    val contact = new ContactInfo("Serafim Eline", "[email protected]", "11 Open Street")
    val customer = new Customer(contact)
    
    println(s"Customer Name: ${customer.contactInfo.name}")
    println(s"Customer Email: ${customer.contactInfo.email}")
    println(s"Customer Address: ${customer.contactInfo.address}")
  }
}

Sample Output:

Customer Name: Serafim Eline
Customer Email: [email protected]
Customer Address: 11 Open Street

Explanation:

In the above exercise,

• The "ContactInfo" class is defined with the properties name, email, and address. It has a primary constructor that takes these properties as parameters.
• The "Customer" class is defined by the property contactInfo of type ContactInfo. It represents a customer and includes contact information.
• The CustomerApp object contains the main method to test functionality. It creates an instance of the ContactInfo class with sample information and then creates a Customer object using the ContactInfo instance.
• Finally, the program prints the customer's name, email, and address using string interpolation.

Scala Code Editor :

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