Function templates and static variables: Each instantiation of function template has its own copy of local static variables. For example, in the following program there are two instances: void fun(int ) and void fun(double ). So two copies of static…
log.info "starting" // we use class to create objects of a class Planet p1 = new Planet() Planet p2 = new Planet() Planet p3 = new Planet() //Planet.name = "Pluto" illegal Planet.shape = "Circle" p1.name = "earth" /…
extraction from The C++ Programming Language, 4th. edition, Bjarne Stroustrup If no initializer is specified, a global, namespace, local static, or static member (collectively called static objects) is initialized to {} of the appropriate type. We cl…
获得20条news 先实现,再提取到business 层. The static Keyword You can have a local variable retain its value through multiple invocations of a method by placing the keyword static in front of the variable's declaration. Remember that static or local variables can…