- Start an intent from android
- setContentView (Activity)
- getSystemService (Context)
- notifyDataSetChanged (ArrayAdapter)
- BufferedReader (java.io)
Wraps an existing Reader and buffers the input. Expensive interaction with the
underlying reader is
- RandomAccessFile (java.io)
Allows reading from and writing to a file in a random-access manner. This is
different from the uni-
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- Iterator (java.util)
An iterator over a sequence of objects, such as a collection.If a collection has
been changed since
- Collectors (java.util.stream)
- Top 12 Jupyter Notebook extensions