- Making http requests using okhttp
- getExternalFilesDir (Context)
- getSharedPreferences (Context)
- getOriginalFilename (MultipartFile)
Return the original filename in the client's filesystem.This may contain path
information depending
- FileInputStream (java.io)
An input stream that reads bytes from a file.
File file = ...finally
if (in != null)
in.clos
- FileWriter (java.io)
A specialized Writer that writes to a file in the file system. All write
requests made by calling me
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- Collectors (java.util.stream)
- Modifier (javassist)
The Modifier class provides static methods and constants to decode class and
member access modifiers
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