The caffeine boost you need for your late-night coding sprints.
Because Enterprise™
gem install java
or add gem 'java'
to your Gemfile.
This gem requires Ruby 2.1.0+.
Currently, the following keywords are supported: new
, void
, byte
, short
,
int
, long
, float
, double
, bool
, char
.
require 'java'
class MyClass
public def initialize(name)
@name = name
end
public void def main()
puts "This is the main method from #{@name}"
return nil
end
public int def returns_int()
1
end
public int def not_int()
'not int'
end
public byte def returns_byte()
1
end
public byte def not_byte()
128
end
end
>> obj = new MyClass("my class")
=> #<MyClass:0x000001018333d8 @name="my class">
>> obj.main()
This is the main method from my class
=> nil
>> obj.returns_int()
=> 1
>> obj.not_int()
TypeError: Expected not_int to return int but got "not int" instead
>> obj.returns_byte()
=> 1
>> obj.not_byte()
TypeError: Expected not_byte to return byte but got 128 instead
It has tests, if that's what you are asking.
- Bug: typed
private
andprotected
methods doesn't work - Bug:
Kernel
definesArray
,Complex
,Float
,Hash
,Integer
,Rational
andString
which breaksnew String()
etc - Support more keywords:
static
,final
, etc - Support
int i = 1
andString str = "abc"
- Support
public String def returns_str; ...; end
Java™ is a registered trademark of Oracle and/or its affiliates.
@tenderlove and @jeremy first brought this to my attention. @amatsuda also has a similar gist.