What does the Java net InetAddress represent?

What does the Java net InetAddress class represent?

Explanation: The java.net.InetAddress class represents IP Address of a particular specified host. It can be used to resolve the host name from the IP address or the IP address from the host name.

What is the function of InetAddress?

InetAddress , which enables you to find an IP address for a hostname, or the hostname for a given IP address, without making DNS calls.

What is InetAddress getLocalHost ()?

The getLocalHost() method of Java InetAddress class returns the instance of InetAddress containing local host name and address. In this, firstly the host name is retrieved from the system, then that name is resolved into InetAddress.

How do you represent an IP address in Java?

2 Answers. Simply call InetAddress. getByName(String host) passing in your textual IP address. From the javadoc: The host name can either be a machine name, such as “java.sun.com”, or a textual representation of its IP address.

What exceptions can InetAddress Getbyname () throw?

Throws. UnknownHostException: if no IP address for the host could be found, or if a scope_id was specified for a global IPv6 address. SecurityException: if a security manager exists and its checkConnect method doesn?t allow the operation.

What does the Java net represent?

Provides the classes necessary to create an applet and the classes an applet uses to communicate with its applet context. Contains all of the classes for creating user interfaces and for painting graphics and images. Provides classes and interfaces relating to bean context.

Is Java a loopback address?

The getLoopbackAddress() method of Java InetAddress class returns the loopback address. It will return the local-only, loopback address whereas getLocalHost() method will return the address registered with the machine name.

What is datagram packet in Java?

Datagram packets are used to implement a connectionless packet delivery service. Each message is routed from one machine to another based solely on information contained within that packet. Multiple packets sent from one machine to another might be routed differently, and might arrive in any order.

What does InetAddress getHostName () method return?

The getHostName() method Java InetAddress returns the host name of a corresponding IP address. If this InetAddress was created with a host name, this host name will be remembered and returned else a reverse name lookup will be performed and the result will be returned based on the system configured name lookup service.

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.

What is the return type of getAddress () method of InetAddress?

The getAddress() method of Java InetAddress class returns the raw IP address of this object.

How do I use getByAddress InetAddress?

Example 1

1. import java.net.InetAddress;
2. import java.util.Arrays;
3. public class JavaInetAddressGetByAddressExample1 {
4. public static void main(String[] argv) throws Exception {
5. byte[] ipAddr = new byte[] { 127, 0, 0, 1 };
6. InetAddress addr = InetAddress.getByAddress(“Localhost”,ipAddr);