Define a Class in Dart

A class in Dart is a blueprint for creating objects. It defines the
properties and methods that objects of that class can have. Classes help organize code and make it reusable.

Basic Dart Class Syntax

A class is defined using the class keyword. Inside the class, you can define
fields, constructors, and methods.

class Student {
String name;
int age;
String course;

Student(this.name, this.age, this.course);

void study() {
print('$name is studying $course.');
}

void introduction() {
print('Hi, I am $name. I am $age years old.');
}
}

Explanation

• Student is the class name.
• name, age, and course are instance variables.
• The line Student(this.name, this.age, this.course); is a constructor
  that initializes the object.
• study() and introduction() are methods.

Creating an Object

Once a class is defined, you can create an object from it.

void main() {
Student s1 = Student('Kumar', 20, 'Computer Science');

s1.study();
s1.introduction();
}

Output

Kumar is studying Computer Science.
Hi, I am Kumar. I am 20 years old.

Conclusion

In Dart, a class is a way to model real-world entities. It allows you to group related data and behavior together, making programs more structured, readable, and maintainable.

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Dart Tutorials

Dart tutorial on this website can be found at:

https://www.testingdocs.com/dart-tutorials-for-beginners/

More information on Dart:

https://dart.dev/