/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: XudongLiu3 https://cdn.slidesharecdn.com/profile-photo-XudongLiu3-48x48.jpg?cb=1551862283 -- Trend Research -- Product Development Management -- Computer networks and security. -- Operating systems: Android; Windows;iOS;Mac. -- Programming languages: C, C#, Java, Objective-C. -- Design Pattern