https://ruby-china.org/redhatping en-us <p>这一些为什么足以支撑这个计算机逻辑呢？求惑 </p> redhatping Thu, 24 Oct 2013 18:28:07 +0800 https://ruby-china.org/topics/15006 https://ruby-china.org/topics/15006 <p>class Square</p> <p>def test_method puts "hello lixiang" end </p> <p>def self.test_method puts "hello xuqun" end end li=Square.new li.test_method</p> <p>li 如何调用 self.test_method 类方法，li.self.test_method 错误，li.new.test_method 错误，请教一下大家？？</p> redhatping Sun, 14 Jul 2013 21:43:27 +0800 https://ruby-china.org/topics/12501 https://ruby-china.org/topics/12501 <p>Class Square def initialize(side_length) <a href="/side_length" class="user-mention" title="@side_length"><i>@</i>side_length</a> = side_length end</p> <p>def area <a href="/side_length" class="user-mention" title="@side_length"><i>@</i>side_length</a> * <a href="/side_length" class="user-mention" title="@side_length"><i>@</i>side_length</a> end end</p> <p>a = Square.new(10) puts a.area </p> <p>显示 D:/2013/RUBY/class/2.rb:10: syntax error, unexpected kEND, expecting $end [Finished]</p> <p>什么原因呢？</p> redhatping Sat, 13 Jul 2013 14:27:30 +0800 https://ruby-china.org/topics/12476 https://ruby-china.org/topics/12476