- Reading from database using SQL prepared statement
- findViewById (Activity)
- getSystemService (Context)
- addToBackStack (FragmentTransaction)
- InputStream (java.io)
A readable source of bytes.Most clients will use input streams that read data
from the file system (
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Timestamp (java.sql)
A Java representation of the SQL TIMESTAMP type. It provides the capability of
representing the SQL
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- Container (java.awt)
A generic Abstract Window Toolkit(AWT) container object is a component that can
contain other AWT co
- JButton (javax.swing)
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