燃气加气站的服务人员,可以不熟悉处置服务纠纷和与服务无关人员的危害燃气安全的行为。
参考答案:错
请完善程序(程序文件名:Java_3.java)并进行调试。请在下画线处填入正确内容,然后删除下画线。请勿删除注释行和其他已有的语句内容。 [题目要求] 生成下面左边图形界面,单击图中的New按钮,弹出如右图所示的对话框。
源程序: import java.awt.*; import java.awt.event.*; import javax.swing.*; public class Java_3 public static void main(String[] args) MulticastFrame frame=new MulticastFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.show(); class MulticastFrame extends JFrame public MulticastFrame() setTitle("MulticastTest"); setSize(WIDTH,HEIGHT); MulticastPanel panel=new MulticastPanel(); Container contentPane=getContentPane(); contentPane.add( (1) ); public static final int WIDTH=300; public static final int HEIGHT=200; class MulticastPanel extends JPanel public MulticastPanel() JButton newButton=new JButton("New"); add(newButton); ActionListener newListener=new ActionListener() public void actionPerformed(ActionEvent event) makeNewFrame(); ; newButton.addActionListener(newListener); closeAllButton=new JButton("Close all"); add(closeAllButton); private void makeNewFrame() final BlankFrame frame=new BlankFrame(); frame.show(); ActionListener closeAllListener=new ActionListener() public void actionPerformed(ActionEvent event) frame. (2) (); //使窗口隐藏或消除 ; closeAllButton.addActionListener( (3) ); private JButton closeAllButton; Class BlankFrame extends JFrame public BlankFrame() (4) ++; setTitle("Frame"+counter); setSize(WIDTH,HEIGHT); setLocation(SPACING*counter,SPACING*counter); public static final int WIDTH=200; public static final int HEIGHT=150; public static final int SPACING=30; private static int counter=0;
肌肉浅薄部位腧穴进针时应用()
A.舒张进针法
B.指切进针法
C.提捏进针法
D.夹持进针法
E.以上都不是