3.2 创建Swing窗口 创建一个JFrame对象作为Swing窗口。 importjavax.swing.JFrame;JFrameframe=newJFrame("My Swing Application"); 1. 2. 3. 3.3 设置窗口的初始大小 在创建Swing窗口后,可以使用setPreferredSize()方法设置窗口的初始大小。通常,我们可以将窗口的宽度设置为屏幕宽度的一半,高度设置为屏幕高度的一半。
JOptionPaneApplicationUserJOptionPaneApplicationUser触发操作创建并显示弹出框用户响应处理用户响应 类图 下面是使用JOptionPane类的类图示例: ApplicationJOptionPane 结论 通过JOptionPane类,Java Swing提供了一种简单而强大的方式来创建和显示弹出框。开发者可以使用JOptionPane创建消息对话框、警告对话框、输入对话框等,以满足不...
import javax.swing.*; public class SwingExample { public static void main(String[] args) { // 创建一个新的JFrame JFrame frame = new JFrame("Swing Example"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(300, 200); // 创建一个JLabel并添加到JFrame中 JLabel label...
Java Swing example. Contribute to aterai/java-swing-tips development by creating an account on GitHub.
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1 package com.sy.swing; 2 3 import java.awt.*; 4 import java.awt.event.*; 5 import javax.swing.*; 6 7 public class JRadioButtonTest extends JFrame { 8 9 /** 10 * Launch the application. 11 */ 12 public static void main(String[] args) { ...
thread needs to update the GUI. It shouldn't be called from the event dispatching thread. Here's an example that creates a new application thread that usesinvokeAndWaitto print a string from the event dispatching thread and then, when that's finished, print a string from the application ...
JTable顾名思义就是一个将数据以表格显示的组件,但是需要特别注意的是:因为Java Swing采用了MVC的设计,所以JTable不是用来存放数据的,它只是用来作为视图显示,而真正用来存储和维护数据的是TableModel这个接口的实现类。 从上面的图我们可以看出几个特点:
The table that follows lists every example in the Using Swing Components lesson, with links to required files and to where each example is discussed. The first column of the table has links to JNLP files that let you run the examples using Java™ Web Start. NOTE: Release 7.0 is required...
Java Swing custom dialog In the following example we create a simple custom dialog. It is a sample about dialog found in many GUI applications, usually located in the Help menu. com/zetcode/CustomDialogEx.java package com.zetcode; import javax.swing.Box; ...