Pertain to the following class, Point:
public class Point {
private double x;
private...
Pertain to the following class, Point:
public class Point {
private double x;
private double y;
public Point() {
this (0, 0);
}
public Point(double a, double b) {
/* missing code */
}
// ... other methods not shown
}
Which of the following correctly implements the equals method?
public boolean equals(Point p) {
return (x == p. x && y == p. y );
}
public void equals(Point p) {
System. out. println(x == p. x && y == p. y);
}
public void equals(Point p) {
return (x == p. x && y == p. y );
}
public boolean equals(Point p) {
return (x == Point. x && y == Point. y);
}
public boolean equals(Point p) {
System. out. println(x == p. x && y == p. y);
}
The default constructor sets x and y to (0, 0) by calling the second constructor. What could be used to replace /* missing code */ so that this works as intended?
a = 0;
b = 0;
this (x, y);
this(0, 0);
x = a;
y = b;
a = x;
b = y;
Which of the following correctly implements a mutator method for Point?
public double getX() {
return x;
}
public void setCoordinates (double a, double b) {
x = a;
y = b;
}
None of the items listed.
public double getX() {
return a;
}
public void setCoordinates (double a, double b) {
Point p = new Point(a, b);
}
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