This Java program allows you to manage student records through a simple menu-driven interface. You can add, view, search, update, and delete student records stored in a text file (dataset.txt).

Features

1. Add a Student Record: Add a new student record with details such as roll number, name, phone number, age, and city.
2. View All Records: Display all student records stored in the dataset.txt file.
3. Search a Record by Roll Number: Search for a student record by their roll number.
4. Update a Record: Update the details of an existing student record identified by their roll number.
5. Delete a Record: Delete a student record by their roll number.
6. Exit: Exit the program.

How to Use

1. Compile and Run the Program:

   • Open a terminal or command prompt.
   • Navigate to the directory containing the Dataset.java file.
   • Compile the program using the following command:

     javac Dataset.java

   • Run the program using the following command:

     java Dataset

2. Interact with the Menu:

   • When the program runs, a menu with options will be displayed.
   • Enter the number corresponding to the action you want to perform and follow the prompts.

Program Flow

Adding a Student Record

• Select option 1 to add a new student record.
• Enter the student's roll number, name, phone number, age, and city when prompted.
• The record will be saved to the dataset.txt file.

Viewing All Records

• Select option 2 to view all student records.
• All records stored in dataset.txt will be displayed.

Searching a Record by Roll Number

• Select option 3 to search for a student record by roll number.
• Enter the roll number of the student you want to search for.
• The program will display the record if found; otherwise, it will indicate that the record was not found.

Updating a Record

• Select option 4 to update a student record.
• Enter the roll number of the student whose record you want to update.
• If the record is found, enter the new details for the student.
• The record will be updated in the dataset.txt file.

Deleting a Record

• Select option 5 to delete a student record.
• Enter the roll number of the student whose record you want to delete.
• If the record is found, it will be deleted from the dataset.txt file.

Exiting the Program

• Select option 6 to exit the program.
• The program will close the resources and exit.

File Structure

• Dataset.java: The main Java program file.
• dataset.txt: The text file where student records are stored. This file is created automatically if it does not exist.

Requirements

• Java Development Kit (JDK) installed on your system.

Contributing

Contributions are welcome! If you find any issues or have suggestions for improvements, feel free to open an issue or submit a pull request.