can't solve this question

Write a Java program that allows a user to enter 10 email-ids from keyboard then write all
the information to a file called "poll.txt"

I wrote the code but its not printing any thing in the file

package dslab1;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.Scanner;

public class ex2 {

    public static void main(String[] args) throws FileNotFoundException {
        Scanner read = new Scanner(System.in);
        int[] email = new int[10];// set up array of 10
        System.out.println("Enter Email IDs: ");
        for (int i = 0; i < 10; i++) // read 10 numbers
            
        {
            int x = read.nextInt();
            email[i] = x; // put the number in the array
        }
        PrintWriter pw = new PrintWriter("poll.txt");
            System.out.println(pw);
            pw.close();
            read.close();
    }
}