摘要： let's pick the Treeviewer as the case:Ifyou want to show a tree in a dialog, you'd better use the Treeviewer instance.But how to fill in treeviewer, Implementing this requires you have to do many steps as follows:1、You need a object used to fill in the treeviewer, and this object have a refe 阅读全文

摘要： Why is it necessary for an interface to be "declared" abstract?It's not.public abstract interfaceInterface{ \___.__/|'---->Neither this...public void interfacing();public abstract boolean interfacing(boolean really); \___.__/|'----> nor this, are necessary.}Interfaces and 阅读全文