- Creating JSON documents from java classes using gson
- getApplicationContext (Context)
- runOnUiThread (Activity)
- addToBackStack (FragmentTransaction)
- FileWriter (java.io)
A specialized Writer that writes to a file in the file system. All write
requests made by calling me
- InputStreamReader (java.io)
A class for turning a byte stream into a character stream. Data read from the
source input stream is
- String (java.lang)
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
- ImageIO (javax.imageio)
- Github Copilot alternatives