repaint
public void repaint()Repaints this component.
If this component is a lightweight component, this method causes a call to this component's paint method as soon as possible. Otherwise, this method causes a call to this component's update method as soon as possible.
Note: For more information on the paint mechanisms utilitized by AWT and Swing, including information on how to write the most efficient painting code, see Painting in AWT and Swing.
Since:
JDK1.0
See Also:
update(Graphics)
public void repaint()Repaints this component.
If this component is a lightweight component, this method causes a call to this component's paint method as soon as possible. Otherwise, this method causes a call to this component's update method as soon as possible.
Note: For more information on the paint mechanisms utilitized by AWT and Swing, including information on how to write the most efficient painting code, see Painting in AWT and Swing.
Since:
JDK1.0
See Also:
update(Graphics)
发表评论
-
java.lang.UnsatisfiedLinkError: no j3dcore-ogl-chk in java.library.path
2011-08-19 17:01 2447Exception in thread "main& ... -
打jar包
2011-05-26 18:35 996打成jar包: 1、没有其他类库jar文件和插件 ... -
Java实现通用线程池
2011-05-05 23:11 1021线程池通俗的描述就是预先创建若干空闲线程,等到需要用多线程去处 ... -
Java tutorial
2011-05-05 21:49 971http://download.oracle.com/java ... -
validate
2011-05-05 17:21 703validate public void validate( ... -
Class.forName和New的比较
2011-04-26 14:46 667在初始化一个类,生成一个实例的时候,newInstance() ... -
Responding to Window-Closing Events
2011-04-26 03:00 748By default, when the user close ... -
Map、Collection、List接口的总结
2011-04-26 02:52 789Map接口: | + -- ... -
复杂的GridBagLayout
2011-02-07 16:06 1002今天终于耐着性子弄懂了GridBagLayout是怎么使用的。 ... -
swing中的布局管理器
2011-02-07 15:42 14124.CardLayout CardL ... -
swing中的最上层组件
2011-02-07 15:05 2709swing中几乎所有组件都是从JComponent衍生而来,也 ... -
Java swing 组件分层介绍:JRootPane,GlassPane,LayeredPane
2011-02-06 17:01 2996什么是Swing,什么又是ligh ... -
JTextArea操作
2011-01-11 18:03 1196JTextArea操作: (1)在JTextArea插入 ... -
double到int转换
2010-12-16 23:28 812double到int转换,有“截断”误差的。 可以通过+0.5 ... -
各种排序算法java实现
2010-11-25 15:20 545package org.rut.util.algorith ... -
Java中使用BigDecimal进行浮点数高精度计算
2010-11-25 15:18 758转自:http://chongtianpig.netbei.c ... -
利用java内存映射文件机制实现CRC循环冗余校验
2010-11-19 13:52 1050import java.nio.MappedByteBuf ... -
java中进行二进制,八进制,十六进制,十进制间进行相互转换
2010-11-19 13:48 619十进制转成十六进制: Integer.toHexString ... -
JScrollPane 例解
2010-11-19 01:49 1505类层次结构图: java.lang.Object -- ... -
JTextField JTextArea 区分
2010-11-19 01:14 1474一、单行文本输入框(JTextField) 在许多情况下 ...
相关推荐
JAVA 程序 源代码 import java.applet.*;import java.awt.*
import java.awt.docx
整合了java.awt.*;java.awt.event.*;javax.swing.*包中的类,结合布局与事件处理....这是本人自己写的哦
Java的AWT包.pdf 学习资料 复习资料 教学资源
awt包java Android awt包java Android awt包java Android awt包java Android awt包java Android awt包java Android awt包java Android awt包java Android awt包java Android awt包java Android awt包java Android ...
简单的记事本的JAVA程序,//导入awt包,event包 import java.awt.*
了解Java的不同包功能
import java.awt.event.ComponentEvent; import java.beans.PropertyVetoException; import java.lang.reflect.Constructor; import java.net.URL; import java.util.HashMap; import java.util.Map;
该程序显示了 MATLAB.Mouse 中 java.awt.Robot 类的用法,随机改变屏幕上的位置,并同时为您提供鼠标所在的 rgb 值。 为了运行 Matlab_JavaAWRobot_Project.m 你必须下载我提交的 getRobotClass.m 和 JavaRobotClass...
java.awt.color java.awt.datatransfer java.awt.dnd java.awt.event java.awt.font java.awt.geom java.awt.im java.awt.im.spi java.awt.image java.awt.image.renderable java.awt.print java.beans ...
import java.awt.event.ComponentEvent; import java.net.URL; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JDesktopPane; import javax.swing.JFrame; import javax.swing....
import java.awt.event.ComponentEvent; import java.awt.event.ComponentListener; import java.awt.event.FocusEvent; import java.awt.event.FocusListener; import javax.swing.ButtonGroup; import javax....
import java.awt.AlphaComposite; import java.awt.GradientPaint; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import java.awt....
Robot键盘常量java.awt.event.KeyEvent。KeyEvent全部键盘按键映射整理KeyEvent枚举类
2. import java.awt.Component; 3. import java.awt.Dialog; 4. import java.awt.Dimension; 5. import java.awt.FlowLayout; 6. import java.awt.GridBagConstraints; 7. import java.awt.GridBagLayout; 8. ...
import java.awt.AlphaComposite; import java.awt.Composite; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.GridBagConstraints; import java.awt.Insets; import java.io.IOException;...
jLabel2.setFont(new java.awt.Font("Dialog", 0, 15)); jLabel3.setBounds(new Rectangle(7, 54, 67, 28)); jLabel3.setText("选择学号"); jLabel3.setFont(new java.awt.Font("Dialog", 0, 15)); jLabel4....
import java.awt.Color; import java.awt.Graphics; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.InputEvent; import java....
java.awt.dnd Drag 和 Drop 是一种直接操作动作,在许多图形用户界面系统中都会遇到它,它提供了一种机制,能够在两个与 GUI 中显示元素逻辑相关的实体之间传输信息。 java.awt.event 提供处理由 AWT 组件所激发的...