JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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How to get list of all IPs of a given Host in Java?


Description:

Below example shows how to get list of all IPs for the given host. By passing host name to InetAddress.getAllByName() method, you can get list of InetAddress objects. You have to call getHostAddress() method on each object to get all list of IPs.


Code:
package com.myjava.ip;

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

public class MyAllIpAddresses {

    public static void main(String a[]){
    
        try {
            InetAddress[] myHost = InetAddress.getAllByName("www.google.com");
            for(InetAddress host:myHost){
                System.out.println(host.getHostAddress());
            }
        } catch (UnknownHostException ex) {
            ex.printStackTrace();
        }
    }
}
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Different types of Access Modifiers
public: Any thing declared as public can be accessed from anywhere.

private: Any thing declared as private can't be seen outside of its class.

protected: Any thing declared as protected can be accessed by classes in the same package and subclasses in the other packages.

default modifier: Can be accessed only to classes in the same package.
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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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