Google wanted Android to be accessible to developers familiar with Java. Accordingly, although Google purchased or rewrote from scratch all the code that provides the functionality of Android, it ...

As Android prospered, Oracle's Java licensing business, centered largely around feature-phones, cratered. "They copied 11,500 lines of code," Oracle attorney Peter Bicks said during closing arguments.

Google acquired an existing Android project in 2005, which was essentially an offshoot of Danger, the Java platform powering TMobile's SideKick slider phone.