A further subcategory of this type of heteronym occurs when two different words have plurals that are spelled the same, but pronounced differently: 1  Arses: plural of arse; plural of arsis (musical term). 2  Asses: plural of ass; plural of as (Roman coin). 3  Axes: plural of ax (US spelling) or axe (British spelling); plural of axis.
The Android software development kit (SDK) includes a comprehensive set of development tools. These include a debugger, libraries, a handset emulator based on QEMU, documentation, sample code, and tutorials.
Apk is the android package. R.java (auto generated file) when compiled along with .class (java classes) generated .dex file but these files are not deployable. .dex files are then reprocessed along with manifest file, and other resources (mp3, video, image) and .apk file is generated. This file is deployable.