You have to know the basics principles of Graphics on Java to understand what is happening and can use the libraries like: JFrame, JPanel and methods and attributes of this components. and controlling ...

Using this library you can use any Graphics2D API based SVG / graph / chart library to embed those graphics as vector drawing in a PDF. In combination with PDFBox ...

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 ...