The initialize method is part of the object-creation process in Ruby & it allows you to set the initial values for an object. In other programming languages they call this a “constructor”. For example: Let’s say that you have a Point class, this point needs two coordinates, x & y .
Do you need an initialize in Ruby?
The initialize method is part of the object-creation process in Ruby and it allows us to set the initial values for an object. … Defining initialize keyword is not necessary if our class doesn’t require any arguments. If we try to pass arguments into new and if we don’t define initialize we are going to get an error.
How do you initialize an array in Ruby?
- Using literal constructor. A new array can be created by using the literal constructor [] . …
- Using new keyword. An array can also be created using new along with arguments. …
- Using a block. Arrays can also be created by using a block along with new .
