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Ejercicio 1 Semana 1 - Curso Desarrollo de aplicaciones con Interfaz Gráfica, Manejo de Eventos, Clases y Objetos : Java

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Ejercicio 1 Semana 1 - Curso Desarrollo de aplicaciones con Interfaz Gráfica, Manejo de Eventos, Clases y Objetos : Java.
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  1. /*
  2.  * To change this template, choose Tools | Templates
  3.  * and open the template in the editor.
  4.  */
  5. package ejerciciorectangulo;
  6.  
  7. import java.applet.Applet;
  8. import java.awt.*;
  9. import java.awt.event.*;
  10.  
  11. /**
  12.  *
  13.  * @author Admin
  14.  */
  15. public class FillRect extends Applet implements AdjustmentListener {
  16.  
  17.     Scrollbar deslizador1,deslizador2,deslizador3;
  18.     String etiq_desl1,etiq_desl2,etiq_desl3;
  19.     int val_desl1 = 0;
  20.     int val_desl2 = 0;
  21.     int val_desl3 = 0;
  22.  
  23.     /**
  24.      * Initialization method that will be called after the applet is loaded
  25.      * into the browser.
  26.      */
  27.     public void init() {
  28.         deslizador1 = new Scrollbar(Scrollbar.HORIZONTAL,0,1,0,255);
  29.         deslizador2 = new Scrollbar(Scrollbar.HORIZONTAL,0,1,0,255);
  30.         deslizador3 = new Scrollbar(Scrollbar.HORIZONTAL,0,1,0,255);
  31.         add(deslizador1);
  32.         add(deslizador2);
  33.         add(deslizador3);
  34.         deslizador1.addAdjustmentListener(this);
  35.         deslizador2.addAdjustmentListener(this);
  36.         deslizador3.addAdjustmentListener(this);
  37.     }
  38.  
  39.     public void paint(Graphics g) {
  40.         g.setColor(new Color(val_desl1,val_desl2,val_desl3));
  41.         g.drawRect(0,0,150,300);
  42.         g.fillRect(0,0,150,300);
  43.  
  44.         g.setColor(Color.black);
  45.         g.drawString(etiq_desl1,30,100);
  46.         g.drawString(etiq_desl2,30,150);
  47.         g.drawString(etiq_desl3,30,200);
  48.  
  49.     }
  50.  
  51.  
  52.     public void adjustmentValueChanged(AdjustmentEvent ae) {
  53.         val_desl1 = deslizador1.getValue();
  54.         val_desl2 = deslizador2.getValue();
  55.         val_desl3 = deslizador3.getValue();
  56.         etiq_desl1 = "deslizador 1 " + val_desl1;
  57.         etiq_desl2 = "deslizador 2 " + val_desl2;
  58.         etiq_desl3 = "deslizador 3 " + val_desl3;
  59.         repaint();
  60.     }
  61.  
  62.  
  63. }

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