求Applet中paint,repaint,update的联系和区别。

CFree 2002-04-22 11:59:37
谢谢!
...全文
158 1 打赏 收藏 转发到动态 举报
AI 作业
写回复
用AI写文章
1 条回复
切换为时间正序
请发表友善的回复…
发表回复
nothing 2002-04-22
  • 打赏
  • 举报
回复
public void repaint()
Repaints this component.
This method causes a call to this component's update method as soon as possible.

public void update(Graphics g)
The AWT calls the update method in response to a call to repaintupdate or paint(not paint method).
The updatemethod of Component does the following:

Clears this component by filling it with the background color.
Sets the color of the graphics context to be the foreground color of this component.
Calls this component's paint method to completely redraw this component.

public void paint(Graphics g)
Paints this component.

repaint->update->paint

62,635

社区成员

发帖
与我相关
我的任务
社区描述
Java 2 Standard Edition
社区管理员
  • Java SE
加入社区
  • 近7日
  • 近30日
  • 至今
社区公告
暂无公告

试试用AI创作助手写篇文章吧