HashMap = function(){ this.map = new Array(); }; HashMap.prototype = { put : function(key, value){ this.map[key] = value; }, get : function(key) { return this.map[key]; }, getAll : function () { return this.map; }, clear : function () { this.map = new Array(); }, getKeys : function () { var keys = new Array(); for(var i in this.map){ keys.push(i); } return keys; } } function List() { this.elemen..