Swing JEditorPane

This component can be made to load a text string or other. For file you can use: file:\\d:\\data.txt

import javax.swing.*:

public class Main{

    public static void main(String[] args){

        JFrame frame = new JFrame("JEditorPane Application");

        JEditorPane editPane = new JEditorPane();

        try{

            editPane.setPage("http://google.com");

        }catch(Exception ex){

            ex.printStackTrace();

        }

        frame.add(editPane);

        frame.setSize(400, 300);

        frame.setLocation(200, 100);

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        frame.setVisible(true);

   }

}

Swing JEditorPane