If you have defined a class named SavingsAccount with a public static data member named numberOfAccounts, and created a SavingsAccount object referenced by the variable account20, which of the following will assign numberOfAccounts to numAccounts?
A) numAccounts = account20.numAccounts;
B) numAccounts = numberOfAccounts;
C) numAccounts = SavingsAccount.numberOfAccounts;
D) None of the above, you cannot reference a static data member.

Question

Quizplus · Accepted Answer

To access a static data member, you can use the class name followed by the member name, so the correct way to assign the value of numberOfAccounts to numAccounts would be to use SavingsAccount.numberOfAccounts. Option A is incorrect because numAccounts is not a member of account20 and option B is incorrect because it assigns the value of numberOfAccounts directly to numAccounts without using the class name. Option D is incorrect because we can reference a static data member by using the class name.

If You Have Defined a Class Named SavingsAccount with a Public