Basic HTML version of Foils prepared Sept 21 1998

Foil 23 The default Update(Graphics g) Method

From Java Tutorial 98- 3: Graphics and the Abstract Windowing Toolkit NAVO Tutorial -- Sept 23 1998. by Geoffrey C. Fox, Nancy McCracken
This sets background color and initializes applet bounding rectangle to this color
  • public void update(Graphics g)
    • {
    • g.setColor(getBackground());
    • g.fillRect(0,0,getSize().width,getSize().height);
    • g.setColor(getForeground());
    • paint(g);
    • }
  • getBackground() and getForeground() are methods in component class
  • fillRect() is a method in Graphics class

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