Classes and Objects

// provide read and write access to an object’s properties class Cat { String name; // getter String get catName { return name; } // setter void set catName(String name){ this.name = name; } } 

// abstract class—a class that can’t be instantiated // This class is declared abstract and thus can't be instantiated. abstract class AbstractContainer { // Define constructors, fields, methods... void updateChildren(); // Abstract method. } 

class Cat { String name; Cat(this.name); } void main(){ Cat myCat = Cat("Kitty"); print(myCat.name); // Prints: Kitty } 

// instance of a class // below myCat is Object of class Cat void main(){ Cat myCat = Cat(); myCat.name = "Kitty"; myCat.voice(); // Prints: Meow } 

class Cat { String name; // method void voice(){ print("Meow"); } }