Creating and Enriching Graphical User Interfaces - Beginning Java 7

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Figure 7-12. SwingSet2 lets you view and interact with Swing components in diverse

look and feel contexts.

When SwingSet2 startsrunning,itpresentsitsGUIbasedonthedefaultMetal(also

known as Java) Look and Feel. However, you can change to another look and feel by

selectingfromtheLook&Feelmenu.Forexample, Figure7-12 reveals SwingSet2 's

GUI after the look and feel has been changed to Nimbus.

Note Unfortunately, the need for brevity restrains me from fully covering Swing

components in this chapter. You'll find additional component coverage in subsequent

chapters and Appendix C.

Revisiting TempVerter

Ipreviouslypresenteda TempVerter applicationthatdemonstratesAWTcontainers,

components,layoutmanagers,andevents. Listing7-6 presentsaSwingversionofthis

application,tohelpyoucompareandcontrastSwingGUIcodewithitsAWTcounter-

part.

Listing 7-6 . Refactoring TempVerter for Swing

import java.awt.Container;

import java.awt.EventQueue;

import java.awt.FlowLayout;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.BorderFactory;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTextField;

import javax.swing.border.Border;

import javax.swing.border.EtchedBorder;

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