- Creating JSON documents from java classes using gson
- findViewById (Activity)
- getSystemService (Context)
- getApplicationContext (Context)
- URL (java.net)
A Uniform Resource Locator that identifies the location of an Internet resource
as specified by RFC
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- Callable (java.util.concurrent)
A task that returns a result and may throw an exception. Implementors define a
single method with no
- ThreadPoolExecutor (java.util.concurrent)
An ExecutorService that executes each submitted task using one of possibly
several pooled threads, n
- Collectors (java.util.stream)
- ImageIO (javax.imageio)
- Best IntelliJ plugins