- Updating database using SQL prepared statement
- startActivity (Activity)
- getExternalFilesDir (Context)
- getSystemService (Context)
- OutputStream (java.io)
A writable sink for bytes.Most clients will use output streams that write data
to the file system (
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- ThreadPoolExecutor (java.util.concurrent)
An ExecutorService that executes each submitted task using one of possibly
several pooled threads, n
- ZipFile (java.util.zip)
This class provides random read access to a zip file. You pay more to read the
zip file's central di
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
- StringUtils (org.apache.commons.lang)
Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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