As the title states: when I “derive” a class in CPP, that’s pretty much the same thing as “extending” a class in Java, yes?
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As the title states: when I “derive” a class in CPP, that’s pretty much the same thing as “extending” a class in Java, yes?
Yes. Since Java doesn’t have multiple inheritance, it can be a bit more verbose with the language. Java’s
class D extends Bisclass D : public Bin C++, but in C++ you can also have inheritances likestruct D : B1, private B2, protected B3.Similarly, in Java
superrefers to the (unique) base subobject, and understandably there is no comparable concept in C++ (you have to specify the base by name).(Note that there’s also
implementsin Java for dedicated interface classes. Since those have no members and only abstract functions, there’s no need to refer to those interface bases from the derived (i.e. “implementing”) class.)