The Arabic word "al-jawi" is an adjective derived from Jawa, the Indonesian version of "Java" which is "An island in Indonesia to the south of Borneo". West Java is famous for its natural resources of forests and wood production.

From Wikipedia:
Forest in West Java reaches 764,387.59 ha or 20.62% from total size of the province. It consists of productive forest 362,980.40 ha (9.79%), protected forest 228,727.11 ha (6.17%), and conservation forest 172,680 ha (4.63%). Mangrove forest reaches 40,129.89 ha, and spread in 10 regencies where coasts are available. Besides, there is also another protected forest of about 32,313.59 ha organized by Perum Perhutani Unit III West Java and Banten.
From the productive forest, in 2006 West Java harvested crop of about 200,675 m³ wood, although the need of wood in this province every year is about 4 million m³. Until 2006, populace forest’s width 214,892 ha with wood production is about 893,851.75 m³. West Java also produce non forest’s crop which is potential enough to be developed as forestry work, such as Sutera alat jamur, pine, gerah dammar, maleleuca, rattan, bamboo, and swallow bird’s net.
http://en.wikipedia.org/wiki/West_Java