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Jan 17th, 2019
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  1. public interface Impresora{
  2.  
  3. String direccionIp;
  4. int puerto;
  5.  
  6. public abstract imprimir();
  7.  
  8. public abstract escanear();
  9.  
  10. public abstract copiar();
  11.  
  12. }
  13.  
  14. public class Canon extends Impresora{ //implementación }
  15.  
  16. public class Epson extends Impresora{ //implementación }
  17.  
  18. public class Samsung extends Impresora{ //implementacion }
  19.  
  20. import Impresora;
  21.  
  22. public static void main(String args[]){
  23.  
  24. Impresora impresora1 = new Canon();
  25.  
  26. impresora1.imprimir(); //De esta manera usas el imprimir de Canon.
  27.  
  28.  
  29. }
  30.  
  31. public interface Idioma {
  32. public void saludar();
  33. }
  34. public class Italiano implements Idioma {
  35. @Override
  36. public void saludar() {
  37. System.out.println("Chao");
  38. }
  39. }
  40. public class English implements idioma {
  41. @Override
  42. public void saludar() {
  43. System.out.println("Hello");
  44. }
  45. }
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