gistfile1.java

package br.com.model;

import br.com.devices.*;

class Computer {

   public static void main( String[] args ) {
      Printer printer = new Printer();
      printer.printAll();
   }
}

package br.com.devices;

public class Printer {

   private void printAll() {
      System.out.println("Printing All");
   }
}