APJ-I – Lab2 - Swing Components and Dialogs box Application Programming I Module 2: Swing components and Dialog Box Lab Guide for Lab2 Session Objectives In this session, you will be practicing with Container Components Lightweight Components Common Methods of Swing Components JScrollPane, JSlider, Timer, JProgressBar, Advanced Text Components Dialog boxes Part – Getting started (20 minutes) Create a JFrame: The following code show a JFrame with title: “My title” and contains a JPanel, JPanel contains Jbutton import java.awt.*; import javax.swing.*; public class MainFrame extends JFrame { public MainFrame() { super("My title"); setSize(300,300); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); Container content = getContentPane(); content.setLayout(new BorderLayout()); JPanel panel = new JPanel(new FlowLayout()); panel.add(new JButton("OK")); panel.add(new JButton("Cancel")); panel.add(new JButton("Close")); content.add(panel, BorderLayout.SOUTH); } } © 2011 FPT-Aptech Page / APJ-I – Lab2 - Swing Components and Dialogs box Write main() method in MainFrame class to run program public static void main(String[] args){ new MainFrame().setVisible(true); } Compile class and run this program Add a JtextArea to last line of contructor: content.add(new JTextArea(), BorderLayout.CENTER); Compile class and run this program Change the last line of the previous class to: content.add(new JScrollPane(new JTextArea()), BorderLayout.C ENTER); Compile class and run this program Part – Workshops (30 minutes) Quickly look at workshops for Module for reviewing basic steps Try to compile, run and observe the output of sample code provided for related workshop Discuss with your class-mate and your instructor if needed Part – Lab Assignment (60 minutes) Do the assignment for Module carefully Discuss with your class-mates and your instructor if needed © 2011 FPT-Aptech Page /