import com.sun.source.tree.ClassTree; import javax.swing.; import java.awt.; import java.awt.event.ActionEvent; import java.awt.event.ActionListener;

// frame public class StudentManager implements StudentManagerInterface{ public class StudentManager extends JFrame{ public StudentManager(){ setTitle("Student Review"); setSize(500, 600); setResizable(false); setDefaultCloseOperation(EXIT_ON_CLOSE); Dimension screenSize = getToolkit().getScreenSize(); setLocation((screenSize.width - getWidth())/2,(screenSize.height - getHeight()) /2);

    //test
    JPanel supPanel = new JPanel();
    getContentPane().add(supPanel);
    supPanel.setLayout(null);

    Label idLabel = new Label("ID");
    idLabel.setBounds(40,200,30,30);
    supPanel.add(idLabel);

    JTextField idField = new JTextField();
    idField.setBounds(100,200,100,30);
    supPanel.add(idField);

    Label LastLabel = new Label("Last");
    LastLabel.setBounds(40,250,30,30);
    supPanel.add(LastLabel);

    JTextField LastField = new JTextField();
    LastField.setBounds(100,250,100,35);
    supPanel.add(LastField);

    Label FirstLabel = new Label("First");
    FirstLabel.setBounds(40,300,30,30);
    supPanel.add(FirstLabel);

// test the box JTextField FirstField = new JTextField(); FirstField.setBounds(100,300,100,35); supPanel.add(FirstField);

    Label EmailLabel = new Label("Email");
    EmailLabel.setBounds(40,350,30,30);
    supPanel.add(EmailLabel);

// test the box JTextField EmailField = new JTextField(); EmailField.setBounds(100,350,100,35); supPanel.add(EmailField);

    Label PhoneLabel = new Label("Phone");
    PhoneLabel.setBounds(40,400,30,30);
    supPanel.add(PhoneLabel);

// test the box JTextField PhoneField = new JTextField(); PhoneField.setBounds(100,400,100,35); supPanel.add(PhoneField);

    JButton previousButton = new JButton("Prev");
    previousButton.setBounds(250,0,100,30);
    supPanel.add(previousButton);

    JButton NextButton = new JButton("Next");
    NextButton.setBounds(370,0,100,30);
    supPanel.add(NextButton);

    JButton LoadButton = new JButton("Load Data");
    LoadButton.setBounds(40,0,100,30);
    supPanel.add(LoadButton);
    NextButton.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            idField.setText("");
            LastField.setText("");
            FirstField.setText("");
            EmailField.setText("");
            PhoneField.setText("");
        }
    });


    //** JLabel idLabel = new JLabel("Name");
    //**  idLabel.setBounds(25,25,100,30);
    //** mainPanel.add(idLabel);


    setVisible(true);

    // create a new frame

}
// private class tryMeListener implements ActionListenner {
// @override
//public void actionPerformed(ActionEvent e){
public void main(String[] args) {
    new StudentManager();

}
}

/**
 * Retrieves the count of courses
 *
 * @return count of courses
 */
@Override
public int getCourseCount() {
    return 0;
}

/**
 * Retrieves the number of students in the specified course (by index)
 *
 * @param courseIndex the index of the course
 * @return student count in that course
 */
@Override
public int getStudentCount(int courseIndex) {

    return 0;
}

/**
 * Retrieves the number of students in all courses
 *
 * @return student count in all courses
 */
@Override
public int getStudentCount() {
    return 0;
}

/**
 * Retrieves the number of students in the specified course (by name)
 *
 * @param courseName the name of the course to search for
 * @return student count in that course, or -1 if course is not found
 */
@Override
public int getStudentCount(String courseName) {
    return 0;
}

/**
 * Retrieves the course name at the specified index
 *
 * @param courseIndex index of the desired course
 * @return course name
 */
@Override
public String getCourseName(int courseIndex) {
    return null;
}

/**
 * Retrieves the student at the specifiec course and student index
 *
 * @param courseIndex  course index
 * @param studentIndex student index
 * @return student at that array position
 */
@Override
public Student getStudent(int courseIndex, int studentIndex) {
    return null;
}

/**
 * Retrieves a copy of the student array for the course at the specified index
 *
 * @param courseIndex course index
 * @return copy of student array (not a reference to the internal one)
 */
@Override
public Student[] getStudents(int courseIndex) {
    return new Student[0];
}

/**
 * Retrieves the first course index associated with the specified student id
 *
 * @param id the student id to search for
 * @return the first course index containing the specified student, or -1 if not found
 */
@Override
public int findStudentCourse(String id) {
    return 0;
}

}