- Creating JSON documents from java classes using gson
- getResourceAsStream (ClassLoader)
- onRequestPermissionsResult (Fragment)
- getSystemService (Context)
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
- Location (org.springframework.beans.factory.parsing)
Class that models an arbitrary location in a Resource.Typically used to track
the location of proble
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