Pastebin: JFrameTest.java

Formato

Plain text

Post date

2014-06-26 14:57

Publication Period

Unlimited

 // JFrameTest.java
 
 import java.awt.*;
 import java.awt.event.*;
 import javax.swing.*;
 
 class JFrameTest extends JFrame implements ActionListener {
         JFrameTest() {
                 getContentPane().setLayout(new FlowLayout());
 
                 // Button
                 JButton b1 = new JButton("OK");
                 b1.addActionListener(this);
                 getContentPane().add(b1);
 
                 // ComboBox
                 JComboBox cb = new JComboBox();
                 cb.addItem("ComboA");
                 cb.addItem("ComboB");
                 cb.addItem("ComboC");
                 cb.addActionListener(this);
                 getContentPane().add(cb);
 
                 // ScrollBar
                 JScrollBar sb = new JScrollBar(JScrollBar.HORIZONTAL, 30, 5, 0, 105);
                 sb.setPreferredSize(new Dimension(150, 17));
                 sb.addAdjustmentListener(this);
                 getContentPane().add(sb);
 
                 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                 setTitle("JFrameTest");
                 setSize(200, 120);
                 setVisible(true);
         }
 
         public static void main(String[] args) {
                 new JFrameTest();
         }
         public void actionPerformed(ActionEvent e) {
                 JComboBox cb = (JComboBox)e.getSource();
                 System.out.println(cb.getSelectedItem());
         }
         public void adjustmentValueChanged(AdjustmentEvent e) {
                 JScrollBar sb = (JScrollBar)e.getSource();
                 System.out.println(sb.getValue());
         }
 }