BCA

AJAVA LAB

PROGRAM 1 PROGRAM 2 PROGRAM 3 PROGRAM 4 PROGRAM 5 PROGRAM 6

PART B

PROGRAM 7 PROGRAM 8 PROGRAM 9 PROGRAM 10 PROGRAM 11 PROGRAM 12 PROGRAM 13 PROGRAM 14 PROGRAM 15 . . .

 
  
/*

7. Design an UI using swings to display 3/5 objective type questions along with 4 options. If the user
presses the submit button then the answers must be evaluated and result must be displayed along
with correct answers in different colors.
*/


import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.*;
import javax.swing.*;
public class Program7 extends JFrame implements  ActionListener{
   
    public int numberofQuestion = 3;
    JFrame frame;
    JLabel question,labelResult;
    JRadioButton option1, option2, option3, option4;
    JButton save,submit;
    String Questions[][] = new String[numberofQuestion][5];
    String Answers[][]   = new String[numberofQuestion][1];
    String pa[][] = new String[numberofQuestion][1];
    String Username;
    ButtonGroup options;
    public static int i=0;
    public static int count = 0;
    public static int timer = 15;
    public static int ans_given = 0;
    public  int score = 0;

 
    public Program7( ) {

        this.Username = Username;
        frame = new JFrame();
        question = new JLabel();

        option1 = new JRadioButton();
        option2 = new JRadioButton();
        option3 = new JRadioButton();
        option4 = new JRadioButton();

        save = new JButton("Save & Next");

         submit = new JButton("Submit");
        question.setBounds(10, 10, 200, 50);
        option1.setBounds(10, 60, 200, 50);
        option2.setBounds(10, 110, 200, 50);
        option3.setBounds(10, 160, 200, 50);
        option4.setBounds(10, 210, 200, 50);
        save.setBounds(40, 260, 80, 40);
        submit.setBounds(140, 260, 80, 40);


        options = new ButtonGroup();
        options.add(option1);
        options.add(option2);
        options.add(option3);
        options.add(option4);
        
        try {
 
            

    
    
    
    

                Questions[0][0]="Which keyword is used for accessing the features of a package?";
                Questions[0][1]="package";
                 Questions[0][2]="import";
               Questions[0][3]="extends";
               Questions[0][4]="export";
                 Answers[0][0]="import";


/// question 2
         Questions[1][0]="Which of the following is not a Java features?";
            Questions[1][1]="Dynamic";
            Questions[1][2]="Architecture Neutral";
            Questions[1][3]="Use of pointers";
            Questions[1][4]="Object-oriented";
              Answers[1][0]="Use of pointers" ;      
                              


/// question 3
     Questions[2][0]=" _____ is used to find and fix bugs in the Java programs.";
            Questions[2][1]="JVM";
            Questions[2][2]="JRE";
            Questions[2][3]="JDK";
            Questions[2][4]="JDB";
              Answers[2][0]="JDB" ;
    
    
    
    

                                 
             
             
        } catch (Exception ex) {

            System.out.println(ex);

        }
         save.addActionListener(this);
         submit.addActionListener(this);
         add(question);
         add(option1);
         add(option2);
         add(option3);
         add(option4);

        save.setBounds(50,400,200,80);
        submit.setBounds(270,400,200,80);

         add(save);
         add(submit);
               

         setLayout(null);
         setSize(600, 600);
         setVisible(true);
         setTitle("Program7 is Running");
         start(0);
    }

     
    public void actionPerformed(ActionEvent ae){
            repaint();
        if(ae.getSource() == save){
                   
                    option1.setEnabled(true);
                    option2.setEnabled(true);
                    option3.setEnabled(true);
                    option4.setEnabled(true);
            
                    ans_given = 1;
                    if(options.getSelection() == null){
                        pa[count][0] = "";
                    }else {
                        pa[count][0] = options.getSelection().getActionCommand();
                    }
                    
                    if(count == (numberofQuestion-2)){
                        save.setEnabled(false);
                        submit.setEnabled(true);
                    }
                    
                    count++;
                    start(count);
        }else if(ae.getSource() == submit){
            ans_given = 1;
                    if(options.getSelection() == null){
                        pa[count][0] = "";
                    }else {
                        pa[count][0] = options.getSelection().getActionCommand();
                    }

                    for(int ii =0 ; ii < pa.length ; ii++){
                        System.out.println(ii);
                        if(pa[ii][0].equals(Answers[ii][0])){
                            score+=1;
                        }else{
                            score+=0;
                        }
                    }
                    System.out.println(score);
                        question.setText("Score= "+score);
                    option1. setVisible(false);
                    option2. setVisible(false);
            option3. setVisible(false);
         option4. setVisible(false);
             
             }
        }
    
    
  
   public void start(int count){
       /*for(int i =0;i< 10;i++)
       {
           System.out.println("Question " + Questions[i][0]);
                        System.out.println("Option1 "+Questions[i][1]);
                        System.out.println("Option2 "+Questions[i][2]);
                        System.out.println("Option3 "+Questions[i][3]);
                        System.out.println("Option4 "+Questions[i][4]);
                        System.out.println("Answer "+Answers[i][0]);
       }*/
        //qno.setText("" + (count + 1) + ". ");
        question.setText(Questions[count][0]);
        option1.setText(Questions[count][1]);
        option1.setActionCommand(Questions[count][1]);
        option2.setText(Questions[count][2]);
        option2.setActionCommand(Questions[count][2]);
        option3.setText(Questions[count][3]);
        option3.setActionCommand(Questions[count][3]);
        option4.setText(Questions[count][4]);
        option4.setActionCommand(Questions[count][4]);
        options.clearSelection();
        
    }

    public static void main(String[] args)
	{
		javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                new Program7();
            }
        });
    
	}

}