?? exam.java
字號:
import java.awt.*; import java.applet.*;
public class Exam extends Applet
{ MyCanvas mycanvas=new MyCanvas();
public void init()
{
setLayout(new BorderLayout());
add("Center",mycanvas);
add("North",new Button("button1"));
add("South",new Button("button2"));
add("West",new Button("button3"));
add("East",new Button("button4"));
}
}
class MyCanvas extends Canvas
{ public void paint(Graphics g)
{ g.setColor(Color.red);
g.fillRect(0,0,50,100);
g.setColor(Color.blue);
g.fillRect(30,0,100,40);
}
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -