android - What do @SuppressWarnings("deprecation") and ("unused") mean in Java?

Question

What do these lines in my Java or Android project mean?

@SuppressWarnings("deprecation")
@SuppressWarnings("unused")

Answer 1

The @SuppressWarnings annotation disables certain compiler warnings. In this case, the warning about deprecated code ("deprecation") and unused local variables or unused private methods ("unused"). This article explains the possible values.