Untitled

import java.util.*;
import java.io.File;
import java.io.BufferedReader;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.io.IOException;

public class Main {
    
    public static List<String> getMessages(String pathName, String username){
        File file = new File(pathName);
        List<String> myMessages = new ArrayList<String>();
      
        Charset charset = Charset.forName("US-ASCII");
        try (BufferedReader reader = Files.newBufferedReader(file.toPath(), charset)) {
            String line = null;
            while ((line = reader.readLine()) != null) {
                if (line.contains(username)){
                    String[] datos = line.split("->");
                    myMessages.add(datos[1]);
                    
                }
                
            }
            
            
            
            //myMessages.forEach( (elem) -> System.out.println(elem));
        } catch (IOException x) {
            System.err.format("IOException: %s%n", x);
        }
        
        return myMessages;
    }
   
    
    public static void main(String[] args) throws Exception {
       
      List<String> messages = getMessages("myMessages.txt", "@SergioRa");
      messages.forEach( (elem) -> System.out.println(elem));
        
       
    }
}