Thursday, 3 August 2017

Exam System project java ~ foundjava

Online Exam Project in Java Swing without database

In this project, there are given 10 questions to play. User can bookmark any question for the reconsideration while going to result.

We are using here java array to store the questions, options and answers not database. You can use collection framework or database in place of array.

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

download this mini project

Output

Download Source Code

Download this project (developed using Eclipse IDE) CLICK HERE

Objective/ Vision

A Java Application World software where user can use applications developed in Java such as calculator, notepad+, puzzle game, ip finder, word count tool, source code generator, picture puzzle game, tic tac toe game and exam system.

Users of the System

User

Functional Requirements

1. User

Can use calculator
Can use notepad+
Can use puzzle game
Can use picture puzzle game
Can use tic tac toe game
Can use ip finder
Can use word count tool
Can use source code generator
Can use exam system

Tools to be used

Use any IDE to develop the project. It may be Eclipse /Myeclipse / Netbeans etc.

Front End and Back End

Front End: Java Swing
Back End: No

Screenshot

Some screenshots are given below:

How to run this project

Double click on the runnable jar file JApps.jar.