# File ruby/jbridge.rb, line 962
        def define_jfield?(name)
          return true if @jfields.key?(name)
          if (!@jsuperclass.nil?) then
                return true if @jsuperclass.define_jfield?(name)
          end
          @jinterfaces.each {|i|
                return true if i.define_jfield?(name)
          }
          false
        end