- Creating JSON documents from java classes using gson
- setContentView (Activity)
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- getSystemService (Context)
- Permission (java.security)
Legacy security code; do not use.
- DecimalFormat (java.text)
A concrete subclass of NumberFormat that formats decimal numbers. It has a
variety of features desig
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- Executor (java.util.concurrent)
An object that executes submitted Runnable tasks. This interface provides a way
of decoupling task s
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
- Reflections (org.reflections)
Reflections one-stop-shop objectReflections scans your classpath, indexes the
metadata, allows you t
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