In java language Write a method to calculate the size of a population of organis
ID: 3697771 • Letter: I
Question
In java language
Write a method to calculate the size of a population of organisms that increases at a specified rate each day.
The method header is: public int populationSize(int startingPopulation, double increaseRate, int numberOfDays)
Examples:starting population = 10, increase rate = 0.5, number of days = 5
day 1 population = 15
day 2 population = 22 (22.5 truncated down to 22)
day 3 population = 33
day 4 population = 49 (49.5 truncated down to 49)
day 5 population = 73 (73.5 truncated down to 73)
method returns 73
starting population = 2, increase rate = 1.0, number of days = 4
day 1 population = 4
day 2 population = 8
day 3 population = 16
day 4 population = 32
method returns 32
Explanation / Answer
public int populationSize(int startingPopulation, double increaseRate, int numberOfDays)
{
double population = startingPopulation;
for(int i=0;i<numberOfDays;i++)
population =(int) (population + population*increaseRate);
return (int) population;
}
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