Code:
import java.util.Scanner;
public class Collinear_Points
{
public static void main(String args[])
{
System.out.println("Enter the points :
Scanner scan = new Scanner(System.in);
int x, y, x1, x2, y1, y2;
x = scan.nextInt();
y = scan.nextInt();
x1 = scan.nextInt();
x2 = scan.nextInt();
y1 = scan.nextInt();
y2 = scan.nextInt();
/*
* System.out.println("The Equation of the line is : (" + (y2 - y1) +
* ")x+(" + (x1 - x2) + ")y+(" + (x2 * y1 - x1 * y2) + ") = 0");
*/
int s = (y2 - y1) * x + (x1 - x2) * y + (x2 * y1 - x1 * y2);
if (s < 0)
System.out.println("The points are NOT collinear");
else if (s > 0)
System.out.println("The points are NOT collinear");
else
System.out.println("The points are collinear");
scan.close();
}
}
Output:
Enter the points :
3 2
1 3
1 5
The points are NOT collinear
Enter the points :
1 1
1 5
1 9
The points are collinear
More Java Programs:
