public void paintComponent(Graphics g) { if (bGraphManagerExists) { for (int i = 0; i < allGraphData.getNumGraphs(); i++) { for (int j = 0; j<allGraphData.getNumLinesToDraw(i)-1; j++) { g.drawLine(allGraphData.getStartx(i,j),allGraphData.getStarty(i,j), allGraphData.getEndx(i,j),allGraphData.getEndy(i,j)); } } }