- Running tasks concurrently on multiple threads
- getSystemService (Context)
- scheduleAtFixedRate (Timer)
- startActivity (Activity)
- UnknownHostException (java.net)
Thrown when a hostname can not be resolved.
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Arrays (java.util)
This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
- Notification (javax.management)
- JOptionPane (javax.swing)
- CodeWhisperer alternatives