- Creating JSON documents from java classes using gson
- addToBackStack (FragmentTransaction)
- findViewById (Activity)
- getApplicationContext (Context)
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- FileUtils (org.apache.commons.io)
General file manipulation utilities. Facilities are provided in the following
areas: * writing to a
- Top 12 Jupyter Notebook extensions