- Reading from database using SQL prepared statement
- onRequestPermissionsResult (Fragment)
- getSystemService (Context)
- getApplicationContext (Context)
- Runnable (java.lang)
Represents a command that can be executed. Often used to run code in a different
Thread.
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- 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
- Deque (java.util)
A linear collection that supports element insertion and removal at both ends.
The name deque is shor
- StringUtils (org.apache.commons.lang)
Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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