用coffeescript实现类java的Map类
classMapconstructor:->@entry={}@count=0size:->return@countisEmpty:->return@count==0containsKey:(key)->if@isEmpty()returnfalsereturn@entry....
classMapconstructor:->@entry={}@count=0size:->return@countisEmpty:->return@count==0containsKey:(key)->if@isEmpty()returnfalsereturn@entry....