- Making http requests using okhttp
- setRequestProperty (URLConnection)
- startActivity (Activity)
- scheduleAtFixedRate (Timer)
- ConnectException (java.net)
A ConnectException is thrown if a connection cannot be established to a remote
host on a specific po
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- Enumeration (java.util)
A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
- Map (java.util)
A Map is a data structure consisting of a set of keys and values in which each
key is mapped to a si
- Annotation (javassist.bytecode.annotation)
The annotation structure.An instance of this class is returned bygetAnnotations() in AnnotationsAttr
- JFrame (javax.swing)
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