java - what codes can i use to graph a function and to draw an axes -

the code below bit of have far me draw graph need code helps me draw curve , draw x , y axis.

 private void drawcurve(graphics g, string[] values) {     thread t = new thread();     t.start();     g.setcolor(color.white);     g.fillrect(0, 0, this.getwidth(), this.getheight());     g.setcolor(color.red);      // todo draw curve here      g.setcolor(color.black);      // todo draw x , y axis here } 

you asking finish work, instead of asking question. however, documentation might little: dwaring geometric primitives, or excelent curves tutorial. luck!