Connect the incoming cable from the cable wall jack to the cable-in jack on the cable or satellite box. Connect an AV cable (not provided) to the green.
To resize the image so it's a specific size, select Pixels and then enter a new width in the Horizontal box or new height in the Vertical box.*. *Pixel.
In addition to reading from files or URLS, Image I/O can read from other sources, such as an InputStream. ImageIO.read() is the most straightforward convenience.