@@count=0 @name ="Jim"

# encoding: utf-8#E6.3-1.rbclass StudentClass@@count=0@name ="Jim"def initialize( name )#@name = name@@count+=1enddef talkputs "I am #@name, This class have #@@count students."#puts "I am #@name, This class have #{@@count} students."endendp1=StudentClass.new("Student 1 ")p2=StudentClass.new("Student 2 ")p3=StudentClass.new("Student 3 ")p4=StudentClass.new("Student 4 ")p3.talk # I am Student 3 , This class have 4 students.p4.talk # I am Student 4 , This class have 4 students.=begin I am , This class have 4 students.I am , This class have 4 students.请按任意键继续. . .=end