问答题

程序如下:
∥Java_3. java
import
java. awt. *;
import javax, swing. *;
∥********** Found **********
public class
Java_3 ( 5 ) JApplet{
∥**********
Found **********
public void
( 6 ) ( ){
Container contentPane=getContentPane( );
JLabel label=new JLabel("Java的诞生是对传统计算模式的挑战!",
SwingConstants. CENTER);
∥********** Found
**********
contentPane, add ( ( 7 ) );
}
}
∥Java_3. html
<html>
<applet code="Java_3. class"width=300 height=50>
</applet>
</html>
【参考答案】
init