create easy web site

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create easy web site create easy web site height; AppletWidth = d.width; RectHeight = AppletHeight/3; RectWidth = (AppletWidth*2)/3; RectTop = (AppletHeight - RectHeight)/2; RectLeft= (AppletWidth - RectWidth)/2; repaint(); } public void paint(Graphics g) { g.drawRect(0, 0, AppletWidth-1, AppletHeight-1); g.fillRect(RectLeft, RectTop, RectWidth-1, RectHeight-1); }}So you see that the third argument is indeed the width and the fourth is the height.Now that we've learned how to draw rectangles, both filled and unfilled, let's make life a little more exciting by randomly selecting the position and size of the rectangle.

create easy web site To do this we'll need the Math.random() method from java.lang.Math. This method returns a double between 0.

create easy web site 0 and 1.0 so we'll need to multiply the result by the applet's height and width to get a reasonably sized rectangle that fits into our applet space. To do this we'll create the following Randomize method:private int Randomize( int range ) { double rawResult; rawResult = Math.random(); return (int) (rawResult * range);}This method forces the result of Math.random into an int in the range we require.

create easy web site Pay special attention to the last line. When you see a raw type in parentheses like (int) or (float) it's a cast. Casts change one value type into another. Thus here we're changing a double into an int. The cast rounds as necessary.

create easy web site

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create easy web site