- Reading from database using SQL prepared statement
- scheduleAtFixedRate (ScheduledExecutorService)
- requestLocationUpdates (LocationManager)
- getSystemService (Context)
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
- CodeWhisperer alternatives