Get file metadata in java

package demo.test;


import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.attribute.BasicFileAttributeView;
import java.nio.file.attribute.BasicFileAttributes;
import java.nio.file.attribute.FileTime;
import java.text.SimpleDateFormat;

public class FileCreationTime {
   
   

    public  String getCreationDetails(File file)
    {       
        try{           
            Path p = Paths.get(file.getAbsolutePath());
            BasicFileAttributes view
               = Files.getFileAttributeView(p, BasicFileAttributeView.class)
                      .readAttributes();
            FileTime fileTime=view.creationTime();
                       
           
            return (""+new SimpleDateFormat("dd/MM/yyyy HH:mm:ss").format((fileTime.toMillis())));
        }
        catch(IOException e){
            e.printStackTrace();
        }
        return "";
    }
   
    public static void main(String...str){
        System.out.println(new FileCreationTime().getCreationDetails(new File("D:/connect.png")));
    }
      
}

How to send mail in java

package com.mail;
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;

public class Send_Email
{
/**
* author Mayur Laniya
**/
   public static void main(String [] args)
   {   
      // Recipient's email ID needs to be mentioned.
      String to = "abcd@gmail.com";

      // Sender's email ID needs to be mentioned
      String from = "web@gmail.com";

      // Assuming you are sending email from localhost
      String host = "localhost";

      // Get system port
     // String post = "9090";
      Properties props = new Properties();
     
      props.put("mail.smtp.auth", "true");
        props.put("mail.smtp.starttls.enable", "true");
        props.put("mail.smtp.host", "smtp.gmail.com");
        props.put("mail.smtp.port", "587");
     
        Session s = Session.getInstance(props,
                  new javax.mail.Authenticator() {
                    protected PasswordAuthentication getPasswordAuthentication() {
                        return new PasswordAuthentication("to email id","your password");
                    }
                  });
      MimeMessage msg = new MimeMessage(s);
      try
      {
          msg.setFrom(new InternetAddress("to email id"));
          msg.addRecipient(Message.RecipientType.TO,new InternetAddress("from mail id"));
          msg.setSubject("wel come");
          msg.setText("Goood day");
          Transport.send(msg);
          System.out.println("msg sucessfully sent");
         
         
      }
      catch(Exception e)
      {
          e.printStackTrace();
      }
    

    
    
   }
}