An example of using instance properties in the Haxe programming language.

InstanceExample.hx

// A class; a template for creating objects with the properties listed in the class
class Duck {
	public var age:Int;

	public function new(age:Int) {
		this.age = age;
	}
}

class Test {
	static function main() {
		var ducky = new Duck(3);
		trace(ducky.age);
		// Using the instance variable to change the age
		ducky.age = 4;
		trace(ducky.age);
	}
}

Try it out here: https://try.haxe.org/#F52C8Aa3