A Scrollbar control represents a scroll bar component in order to enable user to select from range of values. 12 Dialog A Dialog control represents a top-level window with a title and a border used to take some form of input from the user. ...
在AWT中,图形用户界面设计中经常应用到按钮、滚动条、菜单和界面容器等都封装成独立的组件,并提供了委托事件处理机制。通过使用AWT提供的基本GUI组件和事件处理机制,可以创建具有丰富界面效果和加护功能的Java程序。内容包含: - 一些用户界面组件 (Component) -事件响应模型...
gui; import java.awt.*; import java.awt.event.*; public class AwtControlDemo { private Frame mainFrame; private Label headerLabel; private Label statusLabel; private Panel controlPanel; public AwtControlDemo(){ prepareGUI(); } public static void main(String[] args){ AwtControlDemo awtControl...
private Panel controlPanel; public AwtControlDemo(){ prepareGUI(); } public static void main(String[] args){ AwtControlDemo awtControlDemo = new AwtControlDemo(); awtControlDemo.showEventDemo(); } private void prepareGUI(){ mainFrame = new Frame("Java AWT Examples"); mainFrame.setSize(400...
jsp与servlet的联系与区别(34赞) http://blog.csdn.net/kaixinbingju/article/details/9409927 JSP是Servlet技术的扩展,Java程序段和HTML可以组合成一个扩展名为.jsp的文件, 本质上是Servlet的简易方式,更强调应用的外表表达。 JSP编译后是"servlet类&quo...猜...
Java 开发者时的所见所感，主要讲述曾经的“杀手级”桌面语言 Java 是为何从 21 世纪开始颓势尽显、...
Java为GUI提供的对象都存在Awt,Swing两个包中。 两个包的特点。 理解组件(Component(父类))与容器(Container(子类))。 Awt Awt与 Swing Awt:依赖于本地系统平台,如颜色样式显示。 Swing:跨平台。 组件与容器 容器是组件的子类,是一个特殊的组件。
java试用(3)awt,UI 程序(注意要点: control, layout, 事件处理) 代码 importjava.awt.*; importjava.awt.event.*; publicclassMyFrameextendsFrame{ privateTextField tf; publicstaticvoidmain(String args[ ]){ MyFrame fr=newMyFrame("Hello Out There!");...
Defines the base type of all keys used along with the RenderingHints class to control various algorithm choices in the rendering and imaging pipelines. Robot This class is used to generate native system input events for the purposes of test automation, self-running demos, and other applications ...
In all cases, AWTKeyStrokes can specify modifiers (alt, shift, control, meta, or a combination thereof) which must be present during the action for an exact match. AWTKeyStrokes are immutable, and are intended to be unique. Client code should never create an AWTKeyStroke on its own, but...