Java Programming

Hi all
I need to create 3 random points inside a hexagon whose median I have.
I used the following logic, but all I am getting is points on the median and not around it within the boundary.
Can someone please help me correct my logic.

Description of variables:
x1 and y1 are the median of the hexagon.
r is the radius of the hexagon

int x1 = vnuBS.returnBSList().get(i).getMedianPoint().x;
int y1 = vnuBS.returnBSList().get(i).getMedianPoint().y;

double x = x1 + r * Math.cos(generator.irand(0,360));
double y = y1 + r * Math.sin(generator.irand(0,360));

if (x > x1)
	x = x1 - (rand.nextFloat() % r);
else
	x = x1 + (rand.nextFloat() % r);
System.out.println("x:  "+x);
if (y > y1)
	y = y1 - (rand.nextFloat() % r);
	else
	y = y1 + (rand.nextFloat() % r);

Any help will be much appreciated.
Thanks.