Which of the Following Statements Correctly Provides a Comparator Function

question 55

Multiple Choice

Which of the following statements correctly provides a comparator function using lambda expressions to sort an array of countries by population, assuming the existence of a getPopulation method?

• A)Arrays.sort(countries, comparator(c -> c.getPopulation()));
• B)Arrays.sort(countries, compare(c1 -> c1.getPopulation(), c2 -> c2.getPopulation());
• C)Arrays.sort(countries, (c1, c2) -> c1.getPopulation() - c2.getPopulation());
• D)Arrays.sort(countries, c -> c.getPopulation());

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Definitions:

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The amount of money required to fund a project, venture, or cover operational expenses not met by current revenues.

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The development and use of new or improved production or distribution methods.

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A graphical representation showing how the total quantity of output produced by a firm varies with the quantity of a single variable input, holding other inputs constant.

Average Total Cost Curve

A graph that represents the total cost of production (fixed and variable costs combined) divided by the quantity of output produced, at various levels of output.