module JavaFields

def get_field(key)
  field = getClass.getDeclaredField(key)
  field.setAccessible(true)
  field.get(self)
end

def set_field(key, value)
  field = getClass.getDeclaredField(key)
  field.setAccessible(true)
  if field.getType.toString == 'int'
    field.setInt(self, value)
  else
    field.set(self, value)
  end
end