java_inspect.rb

require 'java'

class Java::JavaLang::Object
  def inspect()                                                      
    fs = self.java_class.declared_fields
    val = "#<#{self.class}: "                                 
    fs.each { |f| f.accessible=true; val += "@#{f.name} = #{f.value(self)}, " }
    val += ">"
    val
  end
end

#t = java.lang.String.new("test")
#t.inspect