- Creating JSON documents from java classes using gson
- getExternalFilesDir (Context)
- addToBackStack (FragmentTransaction)
- findViewById (Activity)
- FileWriter (java.io)
A specialized Writer that writes to a file in the file system. All write
requests made by calling me
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- Date (java.sql)
A class which can consume and produce dates in SQL Date format. Dates are
represented in SQL as yyyy
- SortedMap (java.util)
A map that has its keys ordered. The sorting is according to either the natural
ordering of its keys
- StringUtils (org.apache.commons.lang)
Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
- LogFactory (org.apache.commons.logging)
Factory for creating Log instances, with discovery and configuration features
similar to that employ
- Top 12 Jupyter Notebook extensions