Typing the command sqlite3 in a terminal opens a SQLite interactive line shell
To quit the SQLite interactive shell, it’s necessary to type .quit
The built-in method attr_accessor
automatically creates getter and setter methods at once for instance variables in a given class. You can then run this code inside IRB (Interactive Ruby) before seeing the output for each line below the class:
class Person
attr_accessor :name, :age
def initialize(name, age)
@name = name
@age = age
end
end
person = Person.new
person.name = "Jay"
person.age = 30
p person
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