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pavanteja1999pavanteja1999
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Online Exam Project Using Java
Useful for conducting online exams
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‎Online Exam Using Java

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import java.awt.*;
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import java.awt.event.*;
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import javax.swing.*;
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class OnlineTest extends JFrame implements ActionListener
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{
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JLabel l;
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JRadioButton jb[]=new JRadioButton[5];
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JButton b1,b2;
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ButtonGroup bg;
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int count=0,current=0,x=1,y=1,now=0;
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int m[]=new int[10];
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OnlineTest(String s)
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{
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super(s);
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l=new JLabel();
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add(l);
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bg=new ButtonGroup();
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for(int i=0;i<5;i++)
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{
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jb[i]=new JRadioButton();
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add(jb[i]);
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bg.add(jb[i]);
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}
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b1=new JButton("Next");
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b2=new JButton("Bookmark");
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b1.addActionListener(this);
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b2.addActionListener(this);
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add(b1);add(b2);
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set();
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l.setBounds(30,40,450,20);
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jb[0].setBounds(50,80,100,20);
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jb[1].setBounds(50,110,100,20);
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jb[2].setBounds(50,140,100,20);
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jb[3].setBounds(50,170,100,20);
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b1.setBounds(100,240,100,30);
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b2.setBounds(270,240,100,30);
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setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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setLayout(null);
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setLocation(250,100);
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setVisible(true);
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setSize(600,350);
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}
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public void actionPerformed(ActionEvent e)
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{
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if(e.getSource()==b1)
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{
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if(check())
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count=count+1;
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current++;
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set();
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if(current==9)
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{
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b1.setEnabled(false);
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b2.setText("Result");
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}
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}
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if(e.getActionCommand().equals("Bookmark"))
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{
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JButton bk=new JButton("Bookmark"+x);
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bk.setBounds(480,20+30*x,100,30);
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add(bk);
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bk.addActionListener(this);
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m[x]=current;
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x++;
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current++;
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set();
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if(current==9)
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b2.setText("Result");
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setVisible(false);
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setVisible(true);
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}
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for(int i=0,y=1;i<x;i++,y++)
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{
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if(e.getActionCommand().equals("Bookmark"+y))
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{
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if(check())
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count=count+1;
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now=current;
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current=m[y];
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set();
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((JButton)e.getSource()).setEnabled(false);
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current=now;
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}
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}
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if(e.getActionCommand().equals("Result"))
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{
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if(check())
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count=count+1;
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current++;
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//System.out.println("correct ans="+count);
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JOptionPane.showMessageDialog(this,"correct ans="+count);
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System.exit(0);
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}
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}
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void set()
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{
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jb[4].setSelected(true);
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if(current==0)
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{
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l.setText("Que1: Which one among these is not a primitive datatype?");
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jb[0].setText("int");jb[1].setText("Float");jb[2].setText("boolean");jb[3].setText("char");
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}
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if(current==1)
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{
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l.setText("Que2: Which class is available to all the class automatically?");
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jb[0].setText("Swing");jb[1].setText("Applet");jb[2].setText("Object");jb[3].setText("ActionEvent");
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}
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if(current==2)
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{
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l.setText("Que3: Which package is directly available to our class without importing it?");
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jb[0].setText("swing");jb[1].setText("applet");jb[2].setText("net");jb[3].setText("lang");
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}
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if(current==3)
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{
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l.setText("Que4: String class is defined in which package?");
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jb[0].setText("lang");jb[1].setText("Swing");jb[2].setText("Applet");jb[3].setText("awt");
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}
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if(current==4)
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{
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l.setText("Que5: Which institute is best for java coaching?");
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jb[0].setText("Utek");jb[1].setText("Aptech");jb[2].setText("SSS IT");jb[3].setText("jtek");
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}
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if(current==5)
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{
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l.setText("Que6: Which one among these is not a keyword?");
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jb[0].setText("class");jb[1].setText("int");jb[2].setText("get");jb[3].setText("if");
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}
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if(current==6)
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{
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l.setText("Que7: Which one among these is not a class? ");
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jb[0].setText("Swing");jb[1].setText("Actionperformed");jb[2].setText("ActionEvent");
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jb[3].setText("Button");
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}
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if(current==7)
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{
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l.setText("Que8: which one among these is not a function of Object class?");
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jb[0].setText("toString");jb[1].setText("finalize");jb[2].setText("equals");
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jb[3].setText("getDocumentBase");
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}
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if(current==8)
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{
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l.setText("Que9: which function is not present in Applet class?");
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jb[0].setText("init");jb[1].setText("main");jb[2].setText("start");jb[3].setText("destroy");
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}
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if(current==9)
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{
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l.setText("Que10: Which one among these is not a valid component?");
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jb[0].setText("JButton");jb[1].setText("JList");jb[2].setText("JButtonGroup");
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jb[3].setText("JTextArea");
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}
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l.setBounds(30,40,450,20);
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for(int i=0,j=0;i<=90;i+=30,j++)
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jb[j].setBounds(50,80+i,200,20);
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}
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boolean check()
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{
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if(current==0)
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return(jb[1].isSelected());
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if(current==1)
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return(jb[2].isSelected());
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if(current==2)
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return(jb[3].isSelected());
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if(current==3)
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return(jb[0].isSelected());
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if(current==4)
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return(jb[2].isSelected());
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if(current==5)
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return(jb[2].isSelected());
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if(current==6)
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return(jb[1].isSelected());
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if(current==7)
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return(jb[3].isSelected());
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if(current==8)
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return(jb[1].isSelected());
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if(current==9)
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return(jb[2].isSelected());
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return false;
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}
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public static void main(String s[])
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{
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new OnlineTest("Online Test Of Java");
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}
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}

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