Although Java borrows a lot of concepts and syntax from C++, it also leaves out some of C++’s main features to meet its goal of simplicity. For example, Java excluded memory pointers and function pointers from its arsenal. Function pointers allow flexibility in method invocation at run time. A pointer
You can safely bind a reference to a temporary object. The temporary object to which you bind the reference persists for the lifetime of the reference. class C { int j;public: C(int i) : j(i) {}};void main() { const C& cr = C(5);//bind a reference to a temp; temp’s destruction
Although you can’t add tooltips to links in Netscape Navigator, you can easily add them in Microsoft Internet Explorer. All you have to do is add a TITLE attribute to the tag and IE will automatically display this text as a tooltip when users hover their mouse over the link.