I have no idea what I'm doing

Here's my story:
I'm writing a basic program that "encrypts" a .txt file by converting characters to ASCII values, and the program compiles with no problems.
However, the program hangs when printing to a new file. The file is created, but cannot be opened and has no text within.

Can anyone help? I'm not good with I/O operations, and I haven't coded in Java for a long time.
Here's my code:

//Encryption.java
//This program reads a text file and creates an encrypted version of the text file

import java.util.*;
import java.io.*;

public class Encryption {
    //declare variables
    public static String line;
    public static int lineEncrypted;
    public static int i;
    public static int lineInt;
    public static char lineChar;

    public static void main(String[] args) throws IOException {
        System.out.println("Input file: Secret.txt");

        //input file
        BufferedReader in = new BufferedReader(new FileReader("Secret.txt"));
        line = in.readLine();

        //while there is more data to read
        while(line != null) {
            encrypt();
            line = in.readLine();
        }
    }

    public static void encrypt() throws IOException {
        //convert each character in the line to its ASCII value
        for(int i = 0; i < line.length(); i++) {
            char lineChar = line.charAt(i);
            int lineInt = (int) lineChar;
            print();
        }
    }

    public static void print() throws IOException {
        System.out.println("Output file: EncryptedSecret.txt");

        //output file
        PrintWriter out = new PrintWriter(new FileWriter("EncryptedSecret.txt"));

        //while there is more data to write
        while(line != null) {
            out.println(lineInt + " ");
        }

        //close file
        out.close();
    }
}