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Displaying graphics in swing:

java.awt.Graphics class provides many methods for graphics programming.

Commonly used methods of Graphics class:

public abstract void drawString(String str, int x, int y): is used to draw the specified string. public void drawRect(int x, int y, int width, int height): draws a rectangle with the specified width and height. public abstract void fillRect(int x, int y, int width, int height): is used to fill rectangle with the default color and specified width and height. public abstract void drawOval(int x, int y, int width, int height): is used to draw oval with the specified width and height. public abstract void fillOval(int x, int y, int width, int height): is used to fill oval with the default color and specified width and height. public abstract void drawLine(int x1, int y1, int x2, int y2): is used to draw line between the points(x1, y1) and (x2, y2). public abstract boolean drawImage(Image img, int x, int y, ImageObserver observer): is used draw the specified image. public abstract void drawArc(int x, int y, int width, int height, int startAngle, int arcAngle): is used draw a circular or elliptical arc. public abstract void fillArc(int x, int y, int width, int height, int startAngle, int arcAngle): is used to fill a circular or elliptical arc. public abstract void setColor(Color c): is used to set the graphics current color to the specified color. public abstract void setFont(Font font): is used to set the graphics current font to the specified font.

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Example of displaying graphics in swing: