Building Java Enterprise Applications

Colophon

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The animal on the cover of Building Java Enterprise Applications Volume I: Architecture is a kangaroo rat. There are about 20 species of kangaroo rat (genus Dipodomys, family Heteromyidae) found in western North America. Some of these species are endangered. These small mammals are equipped with long, narrow feet that enable them to get about with long, strong hops. They can travel as far as two meters per hop. Their tufted tails, which are approximately as long as their bodies, are used as rudders. The forearms of kangaroo rats are so short that they often disappear within their fur. Most kangaroo rats have a color similar to the sand or soil of their environment, with black or white facial markings and two stripes running down the back. Albino kangaroo rats do occasionally appear. Like all of their relatives in the Heteromyidae family, kangaroo rats have large, fur-lined pouches in their cheeks into which they stuff food to carry back to their nests. They eat grass, plant greenery, and seeds. It is not uncommon to find evidence of a visit by a kangaroo rat in vegetable gardens. Remarkably, they are able to obtain all the water they need from the food that they eat. Kangaroo rats are able to live their entire lives without ever ...