Amazon.com, Inc. is an American multinational electronic commerce company with headquarters in Seattle, Washington, United States. It is the world's largest online retailer. The company also produces consumer electronics—notably the Amazon Kindle e-book reader and the Kindle Fire Tablet computer —and is a major provider of cloud computing services.
Java is a general-purpose, concurrent, class-based, object-oriented computer programming language that is specifically designed to have as few implementation dependencies as possible. It is intended to let application developers "write once, run anywhere" (WORA), meaning that code that runs on one platform does not need to be recompiled to run on another.
Free and open source software (F/OSS, FOSS) or free/libre/open source software (FLOSS) is software that is both free software and open source. It is liberally licensed to grant users the right to use, copy, study, change, and improve its design through the availability of its source code.