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Net exports equals the balance of trade surplus.
Polymorphic Reference
A reference variable in object-oriented programming that can refer to objects of different classes at different times during the execution of a program.
Subclasses
Subclasses are classes that inherit properties and behaviors from a superclass and can also have additional properties or methods.
Public Methods
Methods that can be accessed from any other class in the program, not restricted by access control.
Superclass
In object-oriented programming, a superclass is the parent class from which other classes inherit properties and methods.
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Q262: Refer to Figure 29-1. The French fall