Applets

Creating nice GUI (Graphic User Interfaces).

Canvas 

Area of the screen that allows us to draw on it.

class MyDrawing extends Canvas{
    public void paint (Graphics g){
    g.drawRect(...
    // do all the drawing for this canvas here
} 

Colors

Constructor:
Color (int r, int g, int b)          

setColor method selects a color that will be used for all the subsequent drawing/coloring operations.

void setColor(Color c) //changes the current color

Java Standard Colors

black, blue, cyan, darkGray, gray, green, lightGray, magenta, orange, pink, red, white, yellow

Drawing Shapes

Drawing Graphical Shapes need to import java.awt.Graphics

• drawLine(int x1, int y1, int x2, int y2)
• drawRect(int x, int y, int width, int height)
• drawRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight)
• drawOval(int x, int y, int width, int height)
• drawArc(int x, int y, int width, int height, int startAngle, int arcAngle)
• fillRect(int x, int y, int width, int height)
• fillRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight)
• fillOval(int x, int y, int width, int height)
• fillArc(int x, int y, int width, int height, int startAngle, int arcAngle)