12.All built-in classes in Smalltalk are subclasses of the Objectclass.
PTS:1REF:15013.In Java, scalar data types are objects for reasons of efficiency.
PTS:1REF:16314.When a constructor calls another constructor, it is called constructor teaming.
PTS:1REF:16515.In C++, instance variables and methods are both called descriptors.
PTS:1REF:18116.Public members are those accessible to client code as well as to derived classes.
PTS:1REF:18117.C++ has built-in garbage collection.
PTS:1REF:18218.C++ member functions that are given implementations in a class declaration are automatically assumed to be inline.
PTS:1REF:18219.In C++, template classes can be used to define generic collections.
PTS:1REF:18420.Multiple inheritance in C++ ordinarily creates separate copies of each class on an inheritance path.
PTS:1REF:19021.When multiple inheritance is declared using the virtualkeyword, separate copies of each class on an inheritance path are created.
PTS:1REF:19122.In C++, objects can only be allocated on the heap.
PTS:1REF:19723.Java and Smalltalk both allocate objects directly onto the stack for efficiency.