- Making http post requests using okhttp
- onCreateOptionsMenu (Activity)
- setRequestProperty (URLConnection)
- startActivity (Activity)
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- TreeSet (java.util)
TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
- LogFactory (org.apache.commons.logging)
Factory for creating Log instances, with discovery and configuration features
similar to that employ
- ImageIO (javax.imageio)
- Top plugins for Android Studio