Here’s an example of a constructor for a frame class that creates a panel, creates a label, adds the label to the panel, and then adds the panel to the frame: // HelloFrame constructor public HelloFrame() { this.setSize(300,150); this.setDefaultCloseOperation( ... Get Java For ...
gui; import java.awt.*; import java.awt.event.*; import javax.swing.*; public class SwingControlDemo { private JFrame mainFrame; private JLabel headerLabel; private JLabel statusLabel; private JPanel controlPanel; public SwingControlDemo(){ prepareGUI(); } public static void main(String[]...
javax.swing.JComponent java.awt.Container java.awt.Component java.lang.Object JLabel示例 使用编辑器创建以下Java程序:SwingJLabel.java - // package com.yiibai.gui;import java.awt.*; import java.awt.event.*; import javax.swing.*; public class SwingJLabel { private JFrame mainFrame; private J...
当前序列化支持适用于短期存储,或适用于在运行相同 Swing 版本的应用程序之间进行 RMI(Remote Method Invocation,远程方法调用)。从 1.4 版本开始,已在 java.beans 包中添加了支持所有 JavaBeansTM 长期存储的功能。请参见 XMLEncoder。 嵌套类摘要 protected class JLabel.AccessibleJLabel 该类用于获得此对象的可...
protected class JLabel.AccessibleJLabel 该类用于获取此对象的可访问角色。 嵌套类/接口声明在类 javax.swing.JComponent JComponent.AccessibleJComponent 嵌套类/接口声明在类 java.awt.Container Container.AccessibleAWTContainer 嵌套类/接口声明在类 java.awt.Component Component.AccessibleAWTComponent, Component.Ba...
classJLabelSwingExample { publicstaticvoidmain(Stringargs[]) { JLabelExampleframe=newJLabelExample(); frame.setTitle("JLabel inJavaSwing Example"); frame.setBounds(200,250,150,150); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Fields inherited from class javax.swing.JComponent listenerList,TOOL_TIP_TEXT_KEY,ui,UNDEFINED_CONDITION,WHEN_ANCESTOR_OF_FOCUSED_COMPONENT,WHEN_FOCUSED,WHEN_IN_FOCUSED_WINDOW Fields inherited from class java.awt.Component accessibleContext,BOTTOM_ALIGNMENT,CENTER_ALIGNMENT,LEFT_ALIGNMENT,RIGHT_ALIGNMENT,TOP...
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Learn how to set the content of a JLabel to be left justified and top aligned in Java. Follow this guide for detailed steps and examples.
Takeaways: javax.swing.JLabel class represents a UI label. A label can have Unicode characters of any language as long as there is font file to support it. Sample programs listed in this chapter have been tested with JDK 1.3.1 to JDK 20 on Windows and macOS computers. ...