Proponents of Java like Sun,IBM,and Oracle stress the portability of the language and operating environment,and point to its standard access to databases,portable graphical user interface development,and distributed objects,amongst other things.

• Java的拥护者，如Sun、IBM和Oracle等公司，强调该语言及操作环境的可移植性，指出它具有可对数据库进行标准化访问、可移植的图形用户接口开发和分布式对象等优点。