JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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How to get my machine or local host IP address in Java?


Description:

Below example shows how to get IP address of a host or machine. You can get it by using InetAddress class. getLocalHost() method returns the information about the host, and returns InetAddress object. If you call getHostAddress() method, you can get IP address of the host.


Code:
package com.myjava.ip;

import java.net.InetAddress;
import java.net.UnknownHostException;

public class MyIpAddress {

    public static void main(String a[]){
    
        try {
            InetAddress ipAddr = InetAddress.getLocalHost();
            System.out.println(ipAddr.getHostAddress());
        } catch (UnknownHostException ex) {
            ex.printStackTrace();
        }
    }
}
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Knowledge Centre
Interface and its usage
Interface is similar to a class which may contain method's signature only but not bodies and it is a formal set of method and constant declarations that must be defined by the class that implements it. Interfaces are useful for declaring methods that one or more classes are expected to implement, capturing similarities between unrelated classes without forcing a class relationship and determining an object's programming interface without revealing the actual body of the class.
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About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java™ Platform Standard Ed. 8 - API Specification | Java is registered trademark of Oracle.
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