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411 REFERENCE · Wikibooks

Programming with ooc/Basic

Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.

ooc is an object-oriented programming language. We will start programming in ooc by looking at a simple class: Dog. Dog: class { name: String init: func (=name) {} } The first line declares a class, with a name : Dog. Classes names start with an uppercase letter. You will notice here, that every declaration starts with the identifier (name) and is followed by a colon, then the type declaration. After the class keyword, a block (between braces) follows. It is the body of our class. Then a member variable, the dog's name which is a String (the type of the variable) and a constructor. Every variable in ooc has a Class. Variables and methods names start with a lowercase letter. The init method, which is our constructor, seems to do nothing. In fact, it takes a String as parameter and assigns it to the instance variable. We can call our constructor by invoking new: fido := Dog new("Fido") The := thing does assign the new instance to a new variable, with type inference. (we do not need to declare the type of fido) Then, we can print fido's name by getting it and invoking println() on it: fido name println() And finally, let us store everything in a file named Dog.ooc : Dog: class { name: String init: func (=name) {} } fido := Dog new("Fido") fido name println()</code> Then, invoke the compiler: rock Dog ./Dog ==> Fido That's it!