import ballerina/io;

class Dog {
    string name;  // field

    // Initializes a Dog instance passing it a name
    // which is stored in the 'name' field.
    function init(string name) {
        self.name = name;
    }

    // Function to make a noise.
    function makeNoise() {
        io:println("Woof!");
    }
}

public function main() {
    // Create a new Dog instance and assign a reference to it
    // to the variable b.
    Dog d = new Dog("Rover");

    // Print the dog's name.
    io:println("The dog is called ", d.name);

    // Make a noise.
    d.makeNoise();
}