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Question 9 1 pts 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? Arrays.sort(countries, (c1, c2) - c1.getPopulationO- c2.getPopulationO); Arrays.sort (countries, compare(ci -> c1.getPopulationO, c2- c2.getPopulation()) :J Arrays.sortCcountries,c -c.getPopulationD Arrays.sort(countries, comparator(c - c.getPopulationo)

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9)  A   (first option)
10) C   (third option)

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