- Creating JSON documents from java classes using gson
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- setContentView (Activity)
- getSupportFragmentManager (FragmentActivity)
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- Collection (java.util)
Collection is the root of the collection hierarchy. It defines operations on
data collections and t
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- SSLHandshakeException (javax.net.ssl)
The exception that is thrown when a handshake could not be completed
successfully.
- JFrame (javax.swing)
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
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