panelapplet.java

10道测试题GUI形式的程序

import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;
import java.awt.Color;
import javax.swing.*;


public class PanelApplet extends Applet implements
ActionListener,MouseListener,MouseMotionListener,ItemListener
{

int total=0;
public Button b2=new Button("submit");
public Button b3=new Button("key to questions");

RadioButtonTest r1 = new RadioButtonTest();
RadioButtonTest2 r2 = new RadioButtonTest2();
RadioButtonTest3 r3 = new RadioButtonTest3();
RadioButtonTest4 r4 = new RadioButtonTest4();
RadioButtonTest5 r5 = new RadioButtonTest5();
RadioButtonTest6 r6 = new RadioButtonTest6();
RadioButtonTest7 r7 = new RadioButtonTest7();
RadioButtonTest8 r8 = new RadioButtonTest8();
RadioButtonTest9 r9 = new RadioButtonTest9();
RadioButtonTest10 r10 = new RadioButtonTest10();

public Label RR = new Label(); 
public Label RO = new Label();
public Label RP = new Label();

//初始化 
 public void init()
 {
  
  setLayout(null);
  addMouseListener(this);

    add(b2);
  b2.setBackground(Color.YELLOW);
  b2.setBounds(700,650,100,30);
  b2.addActionListener(this);

    add(b3);
  b3.setBackground(Color.YELLOW);
  b3.setBounds(850,650,100,30);
  b3.addActionListener(this);

     add(r1);
  r1.setBackground(Color.GREEN);
  r1.setBounds(10,10,1000,60);
     add(r2);
  r2.setBounds(10,70,1000,60);
       add(r3);
  r3.setBounds(10,130,1000,60);
       add(r4);
  r4.setBounds(10,190,1000,60);
       add(r5);
  r5.setBounds(10,250,1000,60);
       add(r6);
  r6.setBounds(10,310,1000,60);
       add(r7);
  r7.setBounds(10,370,1000,60);
       add(r8);
  r8.setBounds(10,430,1000,60);
       add(r9);
  r9.setBounds(10,490,1000,60);
       add(r10);
  r10.setBounds(10,550,1000,60);
        add(RR);
  RR.setBounds(10,620,300,30);    
       add(RO);
  RO.setBounds(10,650,800,50);
}

public void itemStateChanged(ItemEvent e)//监听checkBox
 {
 }

public void actionPerformed(ActionEvent e)
 {

if(e.getSource()==b2)
  {
	  total = r1.getValue()+r2.getValue()+r3.getValue()+r4.getValue()+r5.getValue()+
		  r6.getValue()+r7.getValue()+r8.getValue()+r9.getValue()+r10.getValue();     
	  RR.setText("您一共答对了"+""+total+""+"道题!  得到了"+total+"分!!");
	  total = 0;
  }
  if (e.getSource()==b3)
  {     
	  RO.setText("1. B   2.  B   3.  C   4.  A   5.  A   6.  C   7.  D   8.  A   9.  B   10.  A ");
  }
} 

public void paint(Graphics g)
 {
 	setBackground(Color.WHITE);
  }

public void mouseClicked(MouseEvent e){}//点击鼠标落下 
 public void mousePressed(MouseEvent e){}
 public void mouseEntered(MouseEvent e){}
 public void mouseExited(MouseEvent e){}
 public void mouseReleased(MouseEvent e){}
 public void mouseDragged(MouseEvent e){}
 public void mouseMoved(MouseEvent e){}
}


 //////////////////////////////////////////////////////////////////
class RadioButtonTest extends JApplet {
   public JTextField field;
   public Font plainFont, boldFont, italicFont, boldItalicFont;
   public JRadioButton plainButton, boldButton, italicButton, 
      boldItalicButton;
   public ButtonGroup radioGroup;
   int t1 = 0;
      // create GUI and fonts
   public RadioButtonTest()
   {
      // get content pane and set its layout
      Container container = getContentPane();
      container.setLayout( new FlowLayout() );
      
      // set up JTextField
      field = new JTextField( "1.Where does Java stem from?",90);
      field.setBackground(Color.GREEN);
      container.add( field ); 

      // create radio buttons
      plainButton = new JRadioButton( "A. Ada", true );
      container.add( plainButton );
      boldButton = new JRadioButton( "B. C++", false );
      container.add( boldButton );
      italicButton = new JRadioButton( "C. Pasacal", false );
      container.add( italicButton );
      boldItalicButton = new JRadioButton( "D.BASIC", false );
      container.add( boldItalicButton );
      plainButton.setSelected(false);

      // create logical relationship between JRadioButtons
      radioGroup = new ButtonGroup();
      radioGroup.add( plainButton );
      radioGroup.add( boldButton );
      radioGroup.add( italicButton );
      radioGroup.add( boldItalicButton );

      // create font objects
      plainFont = new Font( "Serif", Font.PLAIN, 14 );
      boldFont = new Font( "Serif", Font.PLAIN, 14 );
      italicFont = new Font( "Serif", Font.PLAIN, 14 );
      boldItalicFont = new Font( "Serif", Font.PLAIN, 14 );
      field.setFont( plainFont );  // set initial font    
 
      // register events for JRadioButtons
      plainButton.addItemListener( new RadioButtonHandler( plainFont ) );
      boldButton.addItemListener( new RadioButtonHandler( boldFont ) );
      italicButton.addItemListener( new RadioButtonHandler( italicFont ) );
      boldItalicButton.addItemListener( new RadioButtonHandler( boldItalicFont ) );
      setSize( 300, 100 );
      setVisible( true );
   } // end RadioButtonTest constructor

 	  public int getValue() {
	      return t1;
	  }
   public class RadioButtonHandler implements ItemListener {
      public Font font;
      public RadioButtonHandler( Font f )
      { 		 
		  font = f;
      }
               // handle radio button events
      public void itemStateChanged( ItemEvent event )
      {
		   if(font == boldFont )    t1 = 1;
		  else t1 =0;
         field.setFont( font );
      }
   } // end public inner class RadioButtonHandler
} // end class RadioButtonTest 
//////////////////////////////////////////////////////////////////

class RadioButtonTest2 extends JApplet {
   public JTextField field;
   public Font plainFont, boldFont, italicFont, boldItalicFont;
   public JRadioButton plainButton, boldButton, italicButton, 
      boldItalicButton;
   public ButtonGroup radioGroup;
   public int t2=0;
   // create GUI and fonts
   public RadioButtonTest2()
   {
      // get content pane and set its layout
      Container container = getContentPane();
      container.setLayout( new FlowLayout() );
      // set up JTextField
      field = new JTextField( "2.Which of the following is correct? ", 90 );
      field.setBackground(Color.YELLOW);
      container.add( field ); 
      // create radio buttons
      plainButton = new JRadioButton( "A、 machine code comes after compiling ", true );
      container.add( plainButton );
      boldButton = new JRadioButton( "B、byte code comes after compiling", false );
      container.add( boldButton );
      italicButton = new JRadioButton( "C、DLL comes after compiling", false );
      container.add( italicButton );
      boldItalicButton = new JRadioButton( " D、none of the above ", false );
      container.add( boldItalicButton );
      plainButton.setSelected(false);     // create logical relationship between JRadioButtons
      radioGroup = new ButtonGroup();
      radioGroup.add( plainButton );
      radioGroup.add( boldButton );
      radioGroup.add( italicButton );
      radioGroup.add( boldItalicButton );

      // create font objects
      plainFont = new Font( "Serif", Font.PLAIN, 14 );
      boldFont = new Font( "Serif", Font.PLAIN, 14 );
      italicFont = new Font( "Serif", Font.PLAIN, 14 );
      boldItalicFont = new Font( "Serif", Font.PLAIN, 14 );
      field.setFont( plainFont );  // set initial font
      
      // register events for JRadioButtons
      plainButton.addItemListener( new RadioButtonHandler( plainFont ) );
      boldButton.addItemListener( new RadioButtonHandler( boldFont ) );
      italicButton.addItemListener( 
         new RadioButtonHandler( italicFont ) );
      boldItalicButton.addItemListener( 
         new RadioButtonHandler( boldItalicFont ) );

      setSize( 300, 100 );
      setVisible( true );

   } // end RadioButtonTest constructor

 	  public int getValue() {
	      return t2;
	  }
 

 
   public class RadioButtonHandler implements ItemListener {
      public Font font;

      public RadioButtonHandler( Font f )
      {
		  
		  font = f;
		
         
      }
           
      // handle radio button events
      public void itemStateChanged( ItemEvent event )
      {
		   if(font == boldFont ) t2 = 1;
		 else t2=0;
         field.setFont( font );
      }

   } // end public inner class RadioButtonHandler

} // end class RadioButtonTest 
//////////////////////////////////////////////////////////////////

class RadioButtonTest3 extends JApplet {
   public JTextField field;
   public Font plainFont, boldFont, italicFont, boldItalicFont;
   public JRadioButton plainButton, boldButton, italicButton, 
      boldItalicButton;
   public ButtonGroup radioGroup;
   public int t3;

   // create GUI and fonts
   public RadioButtonTest3()
   {
      //super( "RadioButton Test" );

      // get content pane and set its layout
      Container container = getContentPane();
      container.setLayout( new FlowLayout() );

      // set up JTextField
      field = new JTextField( "3.which is correct（ ）?", 90 );
      field.setBackground(Color.GREEN);
      container.add( field ); 

      // create radio buttons
      plainButton = new JRadioButton( "A、constructor can not be omitted", true );
      container.add( plainButton );

      boldButton = new JRadioButton( " B、constructor must have the same name with its class", false );
      container.add( boldButton );

      italicButton = new JRadioButton( "C.constructor implements itself when in the period of new", false );
      container.add( italicButton );

      boldItalicButton = new JRadioButton( " D. a class can define only one constructor ", false );
      container.add( boldItalicButton );

	  plainButton.setSelected(false);

      // create logical relationship between JRadioButtons
      radioGroup = new ButtonGroup();
      radioGroup.add( plainButton );
      radioGroup.add( boldButton );
      radioGroup.add( italicButton );
      radioGroup.add( boldItalicButton );

      // create font objects
      plainFont = new Font( "Serif", Font.PLAIN, 14 );
      boldFont = new Font( "Serif", Font.PLAIN, 14 );
      italicFont = new Font( "Serif", Font.PLAIN, 14 );
      boldItalicFont = new Font( "Serif", Font.PLAIN, 14 );
      field.setFont( plainFont );  // set initial font
      
      // register events for JRadioButtons
      plainButton.addItemListener( new RadioButtonHandler( plainFont ) );
      boldButton.addItemListener( new RadioButtonHandler( boldFont ) );
      italicButton.addItemListener( 
         new RadioButtonHandler( italicFont ) );
      boldItalicButton.addItemListener( 
         new RadioButtonHandler( boldItalicFont ) );

      setSize( 300, 100 );
      setVisible( true );

   } // end RadioButtonTest constructor
   public int getValue(){
   
       return t3;