Get list of all file and All file operations

How to get my machine or local host's Host name in Java

package com.myjava.ip;

import java.net.InetAddress;

import java.net.UnknownHostException;

public class MyLocalHostName

{

 public static void main(String a[])

{

        try

       {

            InetAddress myHost = InetAddress.getLocalHost();

            System.out.println(myHost.getHostName());

        }

         catch (UnknownHostException ex)

         {

            ex.printStackTrace();

        }

    }

}

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

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();

        }

    }

}

All file operations

package com.java2novice.files;

import java.io.File;

public class MyFileOperations

{

public static void main(String[] a)

{

       try

          {

            File file = new File("fileName");

            System.out.println(file.canRead());

            System.out.println(file.canWrite());

            System.out.println(file.createNewFile());

            System.out.println(file.delete());

            System.out.println(file.exists());

            System.out.println(file.getAbsolutePath());

            System.out.println(file.isDirectory());

            System.out.println(file.isHidden());

            System.out.println(file.list());

        }

         catch(Exception ex){}

    }

}

How to get list of all file names from a folder in java

package com.java2novice.files;

import java.io.File;

public class FileListFromFolder

{

 public static void main(String a[])

{

        File file = new File("C:/MyFolder/");

        String[] fileList = file.list();

        for(String name:fileList)

        {

            System.out.println(name);

        }

    }

}

How to get list of all file objects from a folder in java

package com.java2novice.files;

import java.io.File;

public class FilesListFromFolder

{

public static void main(String a[])

{

        File file = new File("C:/MyFolder/");

        File[] files = file.listFiles();

        for(File f: files)

        {

            System.out.println(f.getName());

        }

    }

}