content: /*
  Copyright (C) 2018-2019 Andres Castellanos
  
  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
  
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <https://www.gnu.org/licenses/>
  */
  
  package jupiter.utils.io;
  
  
  /** User input interface. */
  public interface Input {
  
    /**
     * Reads a single character
     *
     * @return the character read, as an integer, or 0 if the end of the stream has been reached
     */
    public int read();
  
    /**
     * Reads a line of text.
     *
     * @return a String containing the contents of the line, or empty an empty String if the end of stream has been reached
     */
    public String readLine();
  
  }
  