题目内容
(请给出正确答案)
[单选题]
Forging is an important()process
A.machining
B.hot-forming
C.casting
D.heat treatment
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A.machining
B.hot-forming
C.casting
D.heat treatment
A.import java.applet. Applet;
B.import java.io.*;
C.import java.awt.event;
D.import java.lang.*;
A、import shiffman.box2d.*;
B、import org.jbox2d.collision.shapes.*;
C、import org.jbox2d.common.*;
D、import processing.opengl.*;
阅读下列程序,请写出程序的运行结果。
import java.applet.*;
import javax.swing.*;
import java.awt.event.*;
public class C extends Applet implements ActionListener
{
int n=0;
JButton button;
public void init()
{
setSize(400,100);
button=new JButton("");
add(button);
button.addActionListener(this);
}
public void actionPerformed(ActionEvent e)
{
n++;
button.setText(n+"");
}
}
A.handling in
B.dealing with
C.specializing
D.dealing in