Java URL connection

Java URL connection interview questions

Explain the difference between a URL instance and a URL connection instance. URL instance represents the location of a resource, and a URLConnection instance represents a link for accessing or communicating with the resource at the location............ Read answer Explain how to make a connection to a URL. Connection to the remote object represented by the URL is only initiated when the connect() method of the URLConnection is called. Doing this initializes a communication link between your Java program and the URL over the network............. Read answer Explain how to read from a remote file when we have its URL. With the help of the following code you could directly read from the URL:............. Read answer What is Uniform Resource Identifier (URI)? A URI is in the form of a string of characters for the purpose of identifying an abstract or physical resource. URIs provides a means that is simple and extensible for identifying a resource.......... Read answer Discuss about Java URL handling architecture. Java URL architecture is handled by the java.net.URL object instances. It is utilized to handle the URL string. The methods are of public access specifications.............. Read answer Brief about java.net.URL class. URL is represented to identify or to point to a resource [a web portal / web page] on the WWW. A file or a directory or a reference to an object makes the resource for URL.................. Read answer Brief about java.net.HttpURLConnection class. This class inherits from URLConnection. The HTTP specific features are supported by this class. Each instance of HttpURLConnection is used to make a single request............... Read answer Brief about java.net.JarURLConnection class. This class is used to establish a connection to a JAR file or to an entry of the JAR file. The syntax is.............. Read answer Explain the difference between runnable and extends in java. Answer - We can use Extend Thread class only when the class...... Explain the term thread safety and synchronization. Answer - The term Thread safety means each method in a multithreaded.....