Classes can be describe the properties and behaviour of a particular entity. A class can be defined in the following way. 

​

class <class-name> (

    def init (args...) (

...

)

    <methods>

)

obj = <class-name> (val1, val2...)

​

The init method is the constructor method which is optional and is automatically called with tuple of values given.

​

class Point (

def init (x, y, z) (

this.x = x

this.y = y

this.z = z

)

)

p1 = Point (1, 2, 3)

​

The this keyword can be used to disambiguate between local variables and fields.