Java相談室 Part４

public class Graph extends java.awt.Panel{
int ox,oy;
Graphics gg;

public void update(Graphics g){
gg=g;
drawGraph();
}
public void paint(Graphics g){
//g.drawLine等
gg=g;
}
public void drawGraph(){
//gg.drawLine(x1,y1,x2,y2);等
}
}