- Creating JSON documents from java classes using gson
- getSupportFragmentManager (FragmentActivity)
- getApplicationContext (Context)
- startActivity (Activity)
- ConnectException (java.net)
A ConnectException is thrown if a connection cannot be established to a remote
host on a specific po
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- Arrays (java.util)
This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
- Iterator (java.util)
An iterator over a sequence of objects, such as a collection.If a collection has
been changed since
- LinkedHashMap (java.util)
LinkedHashMap is an implementation of Map that guarantees iteration order. All
optional operations a
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
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