I don't know how to get the chart's data value of the coordinates..
my scenario is ..
i have created the chart...
now when user hoover the mouse or moves mouse over the chart i have to show the values of the line cooresponding x-y coordinate..,
how can i able to get those values...?

IN SINGLE LINE

i have to create the chart same as what our friend Wong zi had created using jfreechart...
Pls guid me to furnish my chart...
Thanks in advance....