Consider the following class declarations.
public class Point
{
private do...
Computers and Technology, 06.05.2020 00:11 llolo8
Consider the following class declarations.
public class Point
{
private double x; // x-coordinate
private double y; // y-coordinate
public Point()
{
x = 0;
y = 0;
}
public Point(double a, double b)
{
x = a;
y = b;
}
// There may be instance variables, constructors, and methods that are not shown.
}
public class Circle
{
private Point center;
private double radius;
/** Constructs a circle where (a, b) is the center and r is the radius.
*/
public Circle(double a, double b, double r)
{
/* missing code */
}
}
Which of the following replacements for /* missing code */ will correctly implement the Circle constructor?
I.
center = new Point();
radius = r;
II.
center = new Point(a, b);
radius = r;
III.
center = new Point();
center. x = a;
center. y = b;
radius = r;
A. III only
B. I, II, and III
C. II and III only
D. I only
II only
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