- Creating JSON documents from java classes using gson
- findViewById (Activity)
- getContentResolver (Context)
- getSystemService (Context)
- InputStreamReader (java.io)
A class for turning a byte stream into a character stream. Data read from the
source input stream is
- MalformedURLException (java.net)
This exception is thrown when a program attempts to create an URL from an
incorrect specification.
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- Dictionary (java.util)
Note: Do not use this class since it is obsolete. Please use the Map interface
for new implementatio
- Scanner (java.util)
A parser that parses a text string of primitive types and strings with the help
of regular expressio
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- CodeWhisperer alternatives