A University Has Several Technicians in the Repair Station to Care

question 9

Multiple Choice

A university has several technicians in the repair station to care for the computers in the student labs. This system is most likely

• A) single channel, limited queue system
• B) single channel, limited population system
• C) multi-channel, limited queue system
• D) multi-channel, limited population system
• E) none of the above

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Definitions:

Concrete Class

A class that has an implementation for all of its methods, as opposed to abstract classes which can contain unimplemented methods.

Abstract Class

A class that cannot be instantiated and is designed to be subclassed, often containing one or more abstract methods which must be implemented by subclasses.

Inner Class

A class defined within another class in Java, useful for logically grouping classes that are only used in one place, improving encapsulation.

Non Static Members

Elements of a class that are specific to each instance and not shared across instances, unlike static members.