Hello!

Yes, that sounds good!

The basic idea is to have a package of variables (properties) and functions (methods) which holds them together.

• Without OOP they would float freely around in your code. Such code is hard to read and maintain.
  
• With OOP they are together in a neat package.

And yes, since it is a class you can derive as many objects from it as you like. Either as single variables of the type of your object or stored in an array or in an arraylist.
They all have the same variables but with different values.

Did you read
http://www.processing.org/learning/objects/
?

Greetings, Chrisir   

OOP is generally a way to organize your code. If you had multiple objects moving around the screen then you could make a class that represents one of those objects. To make many, you would create many instances of that class.

Basically, yes.
A class allows to keep related data together.
I wrote an article about this: From several arrays to classes
Instead of having an array of x positions, one for the y positions, and so on, you group these information together, about the behavior and state of the object, and you make an array of objects, instead.
OOP has more: it allows inheritance, where you can make sub-classes, with a more specialized behavior, tweaked methods, additional ones, etc.
It also allows composition: an object can hold other objects, eg. a car can have a motor object, defining its power, etc.
There is also interfaces, defining a common behavior for various objects, allowing to store different objects in a collection (array, array list, etc.) with a guarantee on the behavior of these objects.

Thanks for all the answers, guys.

PhiLho's comment:

 OOP has more: it allows inheritance, where you can make sub-classes, with a more specialized behavior, tweaked methods, additional ones, etc.

I would like to learn a bit more about inheritance that you speak of. What is inheritance?

- MenteCode.

Inheritance may be something you should not jump right into before understanding classes well. It involves extending what is called a base class into an extended class.

An inherented class is more "powerful" than its parent!
B/c besides having all of its parent class has (fields + methods),
it has, obviously, its own exclusive fields & methods as well! 

And can also modify inherented methods to behave differently for itslf w/o losing the original ones!
This is caled polymorphism! 

" the manager would have his own information, but he/she would have access to the employee's information as well"
He would have access to its employee information. But have additional attributes, like pointy hair, etc.
You can imagine a Person class. With name, social id, etc.
An Employee extends the Person, ie. he has a name, id, but extends the info with a salary, etc.
A Manager is an Employee with other info, like the code to access the executive bathroom, etc.
Basically, the classes share a common base (the Person), but each level adds more information and methods (a Manager has a bossAround method, for example).

All good answers.

Thanks for all the help. I'll keep that all in mind.

- MenteCode.