Question: Which statement, in build.gradle file, correctly denotes that the corresponding module is an Android library module?

1. apply plugin: 'com.module.library'
2. apply plugin: 'com.android.library'
3. apply plugin: 'com.module.library'
4. include plugin: 'com.module.library'

Answer: The correct answer of the above question is Option B:apply plugin: 'com.android.library'