What is DatagramSocket explain in detail with example?
Datagram socket is a type of network socket which provides connection-less point for sending and receiving packets. Every packet sent from a datagram socket is individually routed and delivered. It can also be used for sending and receiving broadcast messages.
What are the methods provided by DatagramSocket?
|bind(SocketAddress addr)||This method binds the DatagramSocket to the given address and port.|
|close()||It closes the given datagram socket.|
|connect(InetAddress address, int port)||This method connects the socket to a remote address for this socket.|
What is superclass of Java Net DatagramSocket?
java.lang.Object | +—-java.net.DatagramSocket public class DatagramSocket extends Object super class of: MulticastSocket. This class represents a socket for sending and receiving datagram packets. A datagram socket is the sending or receiving point for a connectionless packet delivery service.
Which constructor class is DatagramSocket?
Commonly used Constructors of DatagramSocket class
DatagramSocket() throws SocketEeption: it creates a datagram socket and binds it with the available Port Number on the localhost machine. DatagramSocket(int port) throws SocketEeption: it creates a datagram socket and binds it with the given Port Number.
What is URL in java?
The Java URL class represents an URL. URL is an acronym for Uniform Resource Locator. It points to a resource on the World Wide Web. … A URL contains many information: Protocol: In this case, http is the protocol.
What is Java Net package?
Java.net is a package that provides a set of classes as well as interfaces for networking in Java. Some of the classes are URL class, URLConnection class, Socket class, ServerSocket class, DatagramSocket, MulticastSocket etc. In the below sections, the different classes of the java.net package will be discussed.
Can constructor be private?
Yes. Class can have private constructor. Even abstract class can have private constructor. By making constructor private, we prevent the class from being instantiated as well as subclassing of that class.
Is UDP an IP?
User Datagram Protocol (UDP) – a communications protocol that facilitates the exchange of messages between computing devices in a network. It’s an alternative to the transmission control protocol (TCP). In a network that uses the Internet Protocol (IP), it is sometimes referred to as UDP/IP.
What is encapsulation in Java?
Encapsulation in Java is a mechanism of wrapping the data (variables) and code acting on the data (methods) together as a single unit. In encapsulation, the variables of a class will be hidden from other classes, and can be accessed only through the methods of their current class.
What is socket in Java?
Definition: A socket is one endpoint of a two-way communication link between two programs running on the network. … The java.net package in the Java platform provides a class, Socket , that implements one side of a two-way connection between your Java program and another program on the network.
What is setSoTimeout in Java?
The setSoTimeout () method of Java Socket class enables or disables the SO_TIMEOUT option with the given timeout value, in milliseconds. The timeout value should be greater than 0 otherwise, it will throw an error.
What is datagram packet switching?
Datagram packet-switching is a packet switching technology by which each packet, now called a datagram, is treated as a separate entity. Each packet is routed independently through the network. … The individual packets which form a data stream may follow different paths between the source and the destination.
Which of the following are not Java keyword?
Note: true , false , and null are not keywords, but they are literals and reserved words that cannot be used as identifiers.