Question

Design a class named GeoPoint to represent a point with x- and y-coordinates. The class contains:  
The data fields x and y that represent the coordinates with gette and setter methods.
A no-arg constructor that creates a point (0, 0).  
A constructor that constructs a point with specified coordinates.
The method equals(GeoPoint p) that returns true if two GeoPoint objects have the same x- and y-coordinates.

Write a test program that creates an array of GeoPoint objects. The size of the array is 3, and fill the array with three points: (2, 2), (3, 4), and (5, 5), and then print out the elements of the array.

Answer 1

Code

class GeoPoint
{
private int x,y;

public GeoPoint()
{
x=0;y=0;
}

public GeoPoint(int x, int y) {
this.x = x;
this.y = y;
}

public int getX() {
return x;
}

public void setX(int x) {
this.x = x;
}

public int getY() {
return y;
}

public void setY(int y) {
this.y = y;
}

  
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final GeoPoint other = (GeoPoint) obj;
if (this.x != other.x) {
return false;
}
if (this.y != other.y) {
return false;
}
return true;
}

@Override
public String toString() {
return "GeoPoint is {" + x + ","+ y + ')';
}
  
  
  
}
public class Test {

public static void main(String[] args) {
GeoPoint points[]=new GeoPoint[3];
points[0]=new GeoPoint(2,2);
points[1]=new GeoPoint(3,4);
points[2]=new GeoPoint(5,5);
  
for (int i=0;i<3;i++)
System.out.println(points[i]);
}
  
}

output

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