Draws an ellipse with the specified semimajor and semiminor axes,centered at ( x, y). Parameters: x - the x-coordinate of the center of the ellipse y - the y-coordinate of the center of the ellipse semiMajorAxis - is the semimajor axis of the ellipse semiMinorAxis - is the semiminor axis of the ellipse Throws: - if either semiMajorAxisor semiMinorAxis is negative - if any argument is either NaN or infinite. filledEllipse public static void filledEllipse(double x,double y,double semiMajorAxis,double semiMinorAxis). Draws a filled ellipse with the specified semimajor and semiminor axes,centered at ( x, y). Parameters: x - the x-coordinate of the center of the ellipse y - the y-coordinate of the center of the ellipse semiMajorAxis - is the semimajor axis of the ellipse semiMinorAxis - is the semiminor axis of the ellipse Throws: - if either semiMajorAxisor semiMinorAxis is negative - if any argument is either NaN or infinite.
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arc public static void arc(double x,double y,double radius,double angle1,double angle2). Draws a circular arc of the specified radius,centered at ( x, y), from angle1 to angle2 (in degrees). Parameters: x - the x-coordinate of the center of the circle y - the y-coordinate of the center of the circle radius - the radius of the circle angle1 - the starting angle. 0 would mean an arc beginning at 3 o'clock. Angle2 - the angle at the end of the arc. For example, ifyou want a 90 degree arc, then angle2 should be angle1 + 90.
Throws: - if radius is negative - if any argument is either NaN or infinite. square public static void square(double x,double y,double halfLength). Draws the specified image centered at ( x, y).The supported image formats are JPEG, PNG, and GIF.As an optimization, the picture is cached, so there is no performancepenalty for redrawing the same image multiple times (e.g., in an animation).However, if you change the picture file after drawing it, subsequentcalls will draw the original picture.
Parameters: x - the center x-coordinate of the image y - the center y-coordinate of the image filename - the name of the image/picture, e.g., 'ball.gif' Throws: - if the image filename is invalid - if either x or y is either NaN or infinite. picture public static void picture(double x,double y,filename,double degrees). Draws the specified image centered at ( x, y),rotated given number of degrees.The supported image formats are JPEG, PNG, and GIF. Parameters: x - the center x-coordinate of the image y - the center y-coordinate of the image filename - the name of the image/picture, e.g., 'ball.gif' degrees - is the number of degrees to rotate counterclockwise Throws: - if the image filename is invalid - if x, y, degrees is NaN or infinite - if filename is null.
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picture public static void picture(double x,double y,filename,double scaledWidth,double scaledHeight). Draws the specified image centered at ( x, y),rescaled to the specified bounding box.The supported image formats are JPEG, PNG, and GIF. Parameters: x - the center x-coordinate of the image y - the center y-coordinate of the image filename - the name of the image/picture, e.g., 'ball.gif' scaledWidth - the width of the scaled image (in screen coordinates) scaledHeight - the height of the scaled image (in screen coordinates) Throws: - if either scaledWidthor scaledHeight is negative - if the image filename is invalid - if x or y is either NaN or infinite - if filename is null. picture public static void picture(double x,double y,filename,double scaledWidth,double scaledHeight,double degrees). Draws the specified image centered at ( x, y), rotatedgiven number of degrees, and rescaled to the specified bounding box.The supported image formats are JPEG, PNG, and GIF. Parameters: x - the center x-coordinate of the image y - the center y-coordinate of the image filename - the name of the image/picture, e.g., 'ball.gif' scaledWidth - the width of the scaled image (in screen coordinates) scaledHeight - the height of the scaled image (in screen coordinates) degrees - is the number of degrees to rotate counterclockwise Throws: - if either scaledWidthor scaledHeight is negative - if the image filename is invalid. text public static void text(double x,double y,text).
Returns the next key that was typed by the user (that your program has not already processed).This method should be preceded by a call to to ensurethat there is a next key to process.This method returns a Unicode character corresponding to the keytyped (such as 'a' or 'A').It cannot identify action keys (such as F1 and arrow keys)or modifier keys (such as control). Returns: the next key typed by the user (that your program has not already processed). Throws: - if there is no remaining key. isKeyPressed public static boolean isKeyPressed(int keycode).
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