- Creating JSON documents from java classes using gson
- getExternalFilesDir (Context)
- getSystemService (Context)
- setContentView (Activity)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- Deque (java.util)
A linear collection that supports element insertion and removal at both ends.
The name deque is shor
- Iterator (java.util)
An iterator over a sequence of objects, such as a collection.If a collection has
been changed since
- Filter (javax.servlet)
A filter is an object that performs filtering tasks on either the request to a
resource (a servlet o
- JPanel (javax.swing)
- Github Copilot alternatives