- Reading from database using SQL prepared statement
- setContentView (Activity)
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- getSystemService (Context)
- OutputStream (java.io)
A writable sink for bytes.Most clients will use output streams that write data
to the file system (
- DecimalFormat (java.text)
A concrete subclass of NumberFormat that formats decimal numbers. It has a
variety of features desig
- Dictionary (java.util)
Note: Do not use this class since it is obsolete. Please use the Map interface
for new implementatio
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- TreeSet (java.util)
TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Top 12 Jupyter Notebook extensions