class Student {
    String fName;
    String lName;
    int grade;
}
  
public class StudentGuiIhsan2 extends JFrame implements ActionListener
{
 
    //lots of declerations
    Vector students = new Vector();  

    public StudentGui2() //CONSTRUCTOR
    {
        //lots of assignments
        
        //BuTTON ASSIGNMENTS; add an actionlistener!
        jb_addStudent=new JButton("Add Student");
        jb_addStudent.addActionListener(this);
        jb_addStudent.setActionCommand("add");
  
        jb_editStudent = new JButton ("Edit Student");
        jb_editStudent.addActionListener(this);
        jb_editStudent.setActionCommand("remove");
        
        //lots of panels
    } 
    
    public void actionPerformed(ActionEvent evt) {
        //check if the add button was pressed    
        if (evt.getActionCommand().equals("add")){  addStudent(); } //add a student
    } 
    
   
    
    public void addStudent(){
        Student newStudent=new Student();
        
        newStudent.fName=jt_fName.getText();
        //need to get the other values as well
        
        students.add(newStudent); //add the new student; to what?
        writeStudents();
        
        //add new student to the text area
        studentsOut.append(newStudent.fName);
        studentsOut.append(", ");
        //continue this
    }
    
    //note that it is very inefficient to write the entire file each time you add a student. How could you be more effient?
    public void writeStudents(){
        Student student1;
        
        try{
            PrintWriter outFile=new PrintWriter(new FileWriter(fileName));
            
            for(int i=0;i<students.size();i++){
                student1=new Student();
                student1=(Student)students.get(i);
                outFile.println(//what are you going to print?);
            }
            
            outFile.close(); 
        }
        catch(IOException exp){
            System.out.println("Some kind of error when trying to write the student file.");
        }     
    }