Which of the following is the best setter method for the population instance variable?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Incorrect
Question 4
Consider
public class Species
{
}
// fields
private String name;
private int population;
private double growthRate;
// constructor
public Species ()
{
}
name = "No Name Yet";
population = 0;
growthRate = 33.3;
Which of the following is the best setter method for the population instance variable?
public boolean setPopulation(int newPopulation)
{
}
if (newPopulation>= 0)
{
}
population = newPopulation;
return false;
}
return true;
public
public void setPopulation (int newPopulation)
if (newPopulation>= 0)
{
}
population newPopulation;
public void setPopulation (int newPopulation)
{
population
}
=
newPopulation;
Transcribed Image Text:Incorrect Question 4 Consider public class Species { } // fields private String name; private int population; private double growthRate; // constructor public Species () { } name = "No Name Yet"; population = 0; growthRate = 33.3; Which of the following is the best setter method for the population instance variable? public boolean setPopulation(int newPopulation) { } if (newPopulation>= 0) { } population = newPopulation; return false; } return true; public public void setPopulation (int newPopulation) if (newPopulation>= 0) { } population newPopulation; public void setPopulation (int newPopulation) { population } = newPopulation;
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