JSLider Programador Java Interfaz Gráfico GUI AWT Swing 1 Swing 2

JSLider Programador Java Interfaz Gráfico GUI AWT Swing 1 Swing 2

import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.event.*; public class jSlider2 extends JFrame {   private JLabel jLabel1 = new JLabel();   private JLabel jLabel2 = new JLabel();   private JSlider jSlider2 = new JSlider();     public jSlider2(String title) {     super(title);     setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);     int frameWidth = 528;     int frameHeight = 300;     setSize(frameWidth, frameHeight);     Dimension d = Toolkit.getDefaultToolkit().getScreenSize();     int x = (d.width - getSize().width) / 2;     int y = (d.height - getSize().height) / 2;     setLocation(x, y);     setResizable(false);     Container cp = getContentPane();     cp.setLayout(null);           jLabel1.setBounds(80, 8, 267, 53);     jLabel1.setText("SLider");     jLabel1.setFont(new Font("Gunplay 3D", Font.BOLD, 48));     jLabel1.setForeground(Color.RED);     cp.add(jLabel1);     jLabel2.setBounds(88, 216, 267, 33);     jLabel2.setText("");     cp.add(jLabel2);     jSlider2.setBounds(56, 88, 401, 57);     jSlider2.setMinorTickSpacing(10);     jSlider2.setMajorTickSpacing(50);     jSlider2.setPaintTicks(true);     jSlider2.setPaintLabels(true);     jSlider2.setMaximum(500);     jSlider2.setMinimum(100);     jSlider2.setValue(400);     cp.add(jSlider2);     cp.setBackground(new Color(0x39C678));              jSlider2.addChangeListener(new ChangeListener() {       public void stateChanged(ChangeEvent evt) {         jSlider2_stateChanged(evt);       }     });         setVisible(true);   }   public void jSlider2_stateChanged(ChangeEvent evt) {     jLabel2.setText("El valor es: "+jSlider2.getValue());       }     public static void main(String[] args) {     new jSlider2("jSlider2");   }   }