Java 2D Graphics

Colophon

Our look is the result of reader comments, our own experimentation, and feedback from distribution channels. Distinctive covers complement our distinctive approach to technical topics, breathing personality and life into potentially dry subjects.

The image on the cover of Java 2D Graphics is a John Dory fish. The name John Dory fish, or dory, can refer to about 10 species of marine fish in the Zeidae family. They can be found in the temperate waters of oceans worldwide. Adults tend to stay on or near the ocean floor, in depths ranging from the shore to 650 feet. Young dories often hide in seaweed. Most species are about 1–2 feet long, though some can grow up to 3 feet. The largest weigh around 20 pounds.

All dories have the same odd look: a large, pouty mouth and a body that is deep but extremely thin from side to side. Their anterior dorsal fin is made up of several spines. Instead of regular scales, they have large modified scales called scutes. They are usually silvery or yellow in color and have a dark spot on each side of their fattened body.

The John Dory's strange appearance aids in hunting. Though weak swimmers, they feed on small fish and crustaceans. A dory will carefully approach his prey by trembling his anal and dorsal fins. Because his body is so thin and light-reflective, he goes unnoticed until he shoots out his large, protruding mouth and catches the unsuspecting fish.

The origin of the John Dory's name is a subject of debate. Some believe it derives ...