Deliverables . app.java (initial application) MainFrame.java (external JFrame .
ID: 3757091 • Letter: D
Question
Deliverables . app.java (initial application) MainFrame.java (external JFrame . A Java class for the control panel, that will ontain the 2 new panels, using a layout . A Java class for the Panel that will display the group's name and group's average GPA . A Java class for the Panel that will display names and semester GPAs of the 4 students in a group. groupjava and student java (a working version from previous labs, no changes needed. . Students should apply consistent indenting in all submissions. This can be done via the Contents You will start with a working version from the previous lab. All requirements are still the same including "You will create only one group object g 1 in this assignment. There will be only one statement group gl . new group..); in the whole application." Additional requirements are below. The Actionlistener will be implemented in the ControlPanel, the external panel that containg the other tworpanels A panel with 3 buttons displaying from a group object Uses the delault layout A panel with 4 buttom with student's semester GMs eracted from a grop Uses a grd layout The 4 buttons wil be listened to and they will dnglay the recalculated GPA when they are dicked
Explanation / Answer
import java.awt.BorderLayout;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JTextField;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
public class Threading extends JFrame {
private JPanel contentPane;
private JTextField DisplayOne;
private JTextField DisplayTwo;
int count;
int count1;
int count2;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run()
{
try {
Threading frame = new Threading();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
*/
public Threading()
{
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 450, 300);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
contentPane.setLayout(new BorderLayout(0, 0));
setContentPane(contentPane);
JPanel panel = new JPanel();
contentPane.add(panel, BorderLayout.CENTER);
DisplayOne = new JTextField();
panel.add(DisplayOne);
DisplayOne.setColumns(10);
DisplayTwo = new JTextField();
panel.add(DisplayTwo);
DisplayTwo.setColumns(10);
JButton btnCountOne = new JButton("Count 1");
count1=0;
btnCountOne.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0)
{
DisplayOne.setText(Integer.toString(count1++));
}
});
panel.add(btnCountOne);
JButton btnCountTwo = new JButton("Count 2");
count2=0;
btnCountTwo.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0)
{
DisplayTwo.setText(Integer.toString(count2++));
}
});
panel.add(btnCountTwo);
JButton btnCountBoth = new JButton("Count Both");
count=0;
btnCountBoth.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0)
{
while (count < 10)
{
DisplayOne.setText(Integer.toString(++count));
DisplayTwo.setText(Integer.toString(count));
}
}
});
panel.add(btnCountBoth);
}
}
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.