C++ Primer Plus

Pointers and Objects Summary

You should note several points about using pointers to objects (refer to Figure 12.5 for a summary):

• You declare a pointer to an object by using the usual notation:

String * glamour;

• You can initialize a pointer to point to an existing object:

String * first = &sayings[0];

• You can initialize a pointer by using new. The following creates a new object:

String * favorite = new String(sayings[choice]);

Also see Figure 12.6 for a more detailed look at an example of initializing a pointer with new.

• Using new with a class invokes the appropriate class constructor to initialize the newly created object:

// invokes default constructorString * gleep = new String;// invokes the String(const char *) constructorString ...