If Your Program Needs to Make a Lot of Changes

question 42

Multiple Choice

If your program needs to make a lot of changes to one or more string, you might consider using objects of this class:

• A) Character
• B) String
• C) StringBuilder
• D) All of the above

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Definitions:

Materials Quantity Variance

The difference between the actual quantity of materials used in production and the expected amount, which can indicate efficiency or waste.

Materials Price Variance

The difference between the actual cost of materials purchased and the expected cost, based on standard prices.

Labor Rate Variance

The difference between the actual cost of labor and the expected (or standard) cost, based on the hours worked.

Labor Rate Variance

A specific type of variance that measures the difference between the actual hourly wage paid to workers and the standard rate expected.