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Assignment No. 2

 Spring 2016
CS506- Web Design and Development

Total Marks: 20

Due Date: 04/07/2016


Please read the following instructions carefully before solving & submitting assignment:

It should be clear that your assignment will not get any credit  if:

  • The assignment is submitted after due date.
  • The submitted assignment does not open or file corrupt.
  • The assignment is fully or partially copied from (other Student or ditto copy from handouts or internet).
  • The assignment is not submitted in .java format.


Uploading instructions

Your submission must include:


  1. You have to make a zip file which contains three java files, one database file and upload it on VULMS.


Note: Use Notepad or Notepad++ for coding and JDK package for java source code compilation and running (A guideline document on JDK installation and configuration is given in course download section). You can also use IDE such as Eclipse or NetBeans.



The objective of this assignment is to

  • Give you some practice exercise of Classes and Objects.  
  • Develop GUI (Graphical User Interface) in java
  • Event handling on GUI
  • Understand the concept of java database connectivity








Problem Statement:                                                        

You are required to write a java program which contains three classes named as Main, employeeDB, GUI and one database file named employeeDB.

employeeDB class must have the following member methods:

  • getConnection()
  • Default constructor
  • employeeRecords()
  • averageSalary()
  • empSalary()


getConnection(): It should have functionality to connect to database and return an object of type Connection.

Default Constructor: It should call the getConnection() method.

employeeRecords(): It should display all employee records from the database table named Employee.

averageSalary(): It should return a value of type integer which is the average salary of all employees from Employee table.

empSalary(): It should display all employee records having salary greater than 10,000.


GUI class must have the following member methods:

  • Default constructor
  • Event handling function

Default constructor: It should have the functionality to develop GUI as shown in the following figure. It should have three buttons and one label.


Event handling function: All three buttons should have event handling mechanism. 

  • When user clicks button1 then it should retrieve all employee records from the database table named Employee and display it on Command prompt.
  • When user clicks button2 then it should retrieve all employee records having salary greater than 10,000 from Employee table and display it on Command prompt.
  • When user clicks button3 then it should calculate the average salary of employees from Employee table and display it on Command prompt.


Main is a public driver class that contains the main() method. Within main() method,  you will create an object of GUI class.


Database file contains the Employee data which has four properties Id, Name, Age and Salary.




Sample Output:







Output on Command prompt


All Employee records

1          Ali          25     12000

2          Ahmad               30     15000

3          Hassaan  35     11000

4          Fatima    27     9000

5          Ayesha               29     8000


Employees having Salary > 10K

1          Ali           25    12000

2          Ahmad                30    15000

3          Hassaan   35    11000


Average Salary





























JDBC-ODBC bridge does not work for Java 8 so you have to download another driver and add its library. A detailed guideline document has been uploaded in the Downloads section of VULMS. You can read the guideline document from the following link:


You can take help from the following audio tutorial that will help you in better way.

You can view all files from the following folder:


See the attached guideline document as how to add jar files to your NetBeans project and then connecting with database.





Your assignment must be uploaded/submitted at or before 4th July, 2016.



For any query about the assignment, contact at cs506@vu.edu.pk






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Replies to This Discussion

Good Luck, Date Extended

do u hav sol?

solution de do yar khud try kr kr har gya :(

CS506 Assignment no.2 Guidance

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