Basically I have one Tree view which uses a single DefaultTreeModel. Is it okay to use singleton for Tree extending JTree and another singleton for TreeModel extending DefaultTreeModel? If not, what ...
Are the default objects supported by My keyword in VB.net is a kind of singleton? If not, what is the difference? Again is this "default object" feature is something useful? If yes, then why it is ...
Sometimes I come across these message-hub-style APIs, for example the Cocoa NSNotificationCenter: ...