# Nit common library of core classes and methods

Core classes and methods used by default by Nit programs and libraries.

## Core Basic Types and Operations

[[doc:kernel]]

### Object

[[doc:Object]]

#### Equality

[[doc:Object::==]]
[[doc:Object::!=]]
[[doc:Object::hash]]
[[doc:Object::is_same_instance]]
[[doc:Object::object_id]]

#### Debuging

[[doc:Object::output]]
[[doc:Object::output_class_name]]
[[doc:Object::is_same_type]]

### Sys

[[doc:Sys]]

#### Program Execution

[[doc:Sys::main]]
[[doc:Sys::run]]

### Other

[[list:kernel]]

## Core Collections

[[doc:collection]]

## String and Text manipulation

[[doc:text]]