- Making http post requests using okhttp
- startActivity (Activity)
- setRequestProperty (URLConnection)
- getSystemService (Context)
- InputStream (java.io)
A readable source of bytes.Most clients will use input streams that read data
from the file system (
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- DecimalFormat (java.text)
A concrete subclass of NumberFormat that formats decimal numbers. It has a
variety of features desig
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
- FileUtils (org.apache.commons.io)
General file manipulation utilities. Facilities are provided in the following
areas: * writing to a
- Filter (javax.servlet)
A filter is an object that performs filtering tasks on either the request to a
resource (a servlet o
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