Consider the Abstract Class Below

question 50

Multiple Choice

Consider the abstract class below:
Public abstract class Foo
{
Private int a;
Public int b;
Public Foo(int aVal,int bVal)
{
A = aVal;
B = bVal;
}
Public abstract int calculate() ;
}
Any concrete subclass that extends class Foo:

• A) Must implement a method called calculate.
• B) Will not be able to access the instance variable a.
• C) Will not be able to instantiate an object of class Foo.
• D) All of the above.

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Definitions:

Internal Rate

A term often not complete on its own, likely referring to "Internal Rate of Return (IRR)," which is the discount rate that makes the net present value (NPV) of all cash flows from a particular project equal to zero.

Present Value Tables

A set of tables that provide the factor needed to calculate the present value of a single payment or series of payments to be received in the future.

Investment

The allocation of resources, usually money, in assets or projects with the expectation of generating income or profit.

Compound Interest

Interest calculated on the initial principal, which also includes all of the accumulated interest from previous periods.