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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Preemptive scheduling Vs Time slicing?
Preemptive scheduling: The highest priority task executes until it enters the waiting or dead states or a higher priority task comes into existence.

Time slicing: A task executes for a predefined slice of time and then reenters the pool of ready tasks. The scheduler then determines which task should execute next, based on priority and other factors.
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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] or you can comment on the page.

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