Java Graphics Draw on JPanel | NetBeans

Class
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Graphics


Methods
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drawLine(int x1, int y1, int x2, int y2)
Draws a line, between the points (x1, y1) and (x2, y2) in this graphics context's coordinate system.

drawRect(int x, int y, int width, int height)
Draws the outline of the specified rectangle.

drawRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight)
Draws an outlined round-cornered rectangle using this graphics context's current color.

fillRect(int x, int y, int width, int height)
Fills the specified rectangle.

drawOval(int x, int y, int width, int height)
Draws the outline of an oval.

fillOval(int x, int y, int width, int height)
Fills an oval bounded by the specified rectangle with the current color.

drawPolygon(int[] xPoints, int[] yPoints, int nPoints)
Draws a closed polygon defined by arrays of x and y coordinates.

fillPolygon(int[] xPoints, int[] yPoints, int nPoints)
Fills a closed polygon defined by arrays of x and y coordinates.