This parper narrated the Java language appearance background, the main characteristic, the development course as well as the Java technology application, pointed out Java is now the IT industry and the human culture innovation and hope.

• 本文叙述了Java语言的出现背景、主要特点、发展历程以及Java技术的应用,指出Java是当今IT产业和人类文明的创新和希望。