- runOnUiThread (Activity)
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- VirtualMachine (com.sun.tools.attach)
A Java virtual machine. A VirtualMachine represents a Java virtual machine to which this Java virtua
- FileInputStream (java.io)
An input stream that reads bytes from a file.
File file = ...finally
if (in != null)
- SimpleDateFormat (java.text)
Formats and parses dates in a locale-sensitive manner. Formatting turns a Date
into a String, and pa
- Deque (java.util)
A linear collection that supports element insertion and removal at both ends.
The name deque is shor
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- Stack (java.util)
Stack is a Last-In/First-Out(LIFO) data structure which represents a stack of
objects. It enables us
- JButton (javax.swing)