Find X and Y intercepts of a line passing through the given points

// Java implementation of the approach
class GFG {

    // Function to find the X and Y intercepts
    // of the line passing through
    // the given points
    static void getXandYintercept(int P[],
                                  int Q[])
    {
        int a = P[1] - Q[1];
        int b = P[0] - Q[0];

        // if line is parallel to y axis
        if (b == 0) {

            // x - intercept will be p[0]
            System.out.println(P[0]); 

            // y - intercept will be infinity
            System.out.println("infinity");
            return;
        }

        // if line is parallel to x axis
        if (a == 0) {

            // x - intercept will be infinity  
            System.out.println("infinity"); 

            // y - intercept will be p[1]
            System.out.println(P[1]); 
            return;
        }

        // Slope of the line
        double m = a / (b * 1.0);

        // y = mx + c in where c is unknown
        // Use any of the given point to find c
        int x = P[0];
        int y = P[1];
        double c = y - m * x;

        // For finding the x-intercept put y = 0
        y = 0;
        double r = (y - c) / (m * 1.0);
        System.out.println(r);

        // For finding the y-intercept put x = 0
        x = 0;
        y = (int)(m * x + c);
        System.out.print(c);
    }

    // Driver code
    public static void main(String[] args)
    {
        int p1[] = { 5, 2 };
        int p2[] = { 2, 7 };
        getXandYintercept(p1, p2);
    }
}

// This code is contributed by kanugargng