However, escape sequences are not very portable. For example, Windows NT provides an ANSI.SYS driver, but only for legacy DOS applications (which a JVM is not). I do not recommend this option except ...

I occasionally need to convert the background color of a particular image to be transparent so that the image looks better on medium with backgrounds of colors other than the image’s original ...

Java's Graphics2D class provides methods to draw primitive shapes, such as lines, rectangles and ellipses. It lacks a method for drawing pixels. You can color a single pixel in a Java drawing by ...