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What is the function of InetAddress?

Jim Brown

What is the function of InetAddress?

The function uses the Java API class java. net. InetAddress , which enables you to find an IP address for a hostname, or the hostname for a given IP address, without making DNS calls. resolveip calls a static method on the InetAddress class to obtain an InetAddress object.

What is an InetAddress in Java?

Java InetAddress class represents an IP address. The java. An IP address is represented by 32-bit or 128-bit unsigned number. An instance of InetAddress represents the IP address with its corresponding host name.

What is use of getLocalHost () method?

Java InetAddress getLocalHost() method 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 are instances of InetAddress class created?

The InetAddress class doesn’t have public constructors, so you create a new instance by using one of its factory methods: getByName(String host): creates an InetAddress object based on the provided hostname.

How does InetAddress compare in Java?

Java InetAddress equals() method

  1. Syntax: public Boolean equals(Object obj)
  2. Parameters: The parameter ‘obj’ represents the object to be compared with this object.
  3. Overrides. equals() method in class Object.
  4. Returns.
  5. Example 1.
  6. Example 2.

What is the use of getLocalPort () method in Java?

Java ServerSocket getLocalPort() Method. The getLocalPort() method of ServerSocket class is used to give the port number of the server on which this socket is listening. If the socket was bound before being closed, then this method will continue to return the port number after the socket is closed.

What is isReachable () method in Java?

isReachable() : Returns true if this address is reachable. ICMP echo requests are used if permission can be granted otherwise the host tries to make a TCP connection at port 7 of the destination. This method is used generally as a pre-condition in various programs, to avoid Host Unreachable exceptions in future.

What is TCP IP in java?

The java.net package provides support for the two common network protocols − TCP − TCP stands for Transmission Control Protocol, which allows for reliable communication between two applications. TCP is typically used over the Internet Protocol, which is referred to as TCP/IP.

What is the inetaddress class used for in Java?

The java.net.InetAddress class is Java’s encapsulation of an IP address. It is used by most of the other networking classes, including Socket, ServerSocket , URL, DatagramSocket , DatagramPacket, and more.

How does inetaddress get byname ( ) work in Java?

Java InetAddress getByName() method. The getByName() method of InetAddress class determines the IP address of a host from the given host’s name. If the host name is null, then an InetAddress representing an address of the loopback interface is returned.

How to get java.net.inetaddress IP address?

The java.net.InetAddress class provides methods to get the IP of any host name for example www.javatpoint.com, www.google.com, www.facebook.com, etc. An IP address is represented by 32-bit or 128-bit unsigned number. An instance of InetAddress represents the IP address with its corresponding host name.

Is there constructor for inetaddress object in Java?

There’s no constructor but rather static methods that return an InetAddress. So if I get a host name it’s not a problem, but what if I get the IP number?