export class Article { private title : string ; private description : string ; private url : string ; private picurl : string ; constructor ( title , description , url , picurl ) { this . title = title ; this . description = description ; this . url = url ; this . picurl = picurl ; } public get getTitle ( ) : string { return this . title ; } public set setTitle ( title ) { this . title = title ; } public get getDescription ( ) : string { return this . description ; } public set setDescription ( description ) { this . description = description ; } public get getUrl ( ) : string { return this . url ; } public set setUrl ( url ) { this . url = url ; } public get getPicurl ( ) : string { return this . picurl ; } public set setPicurl ( picurl ) { this . picurl = picurl ; } }