Exercise Options
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
public class Main {
public static void main(String[] args) {
JFrame frame = new JFrame();
frame.setSize(200, 200);
frame.setVisible(true);
JOptionPane.showMessageDialog(frame, "A");
JOptionPane.showMessageDialog(frame, "B", "message", JOptionPane.WARNING_MESSAGE);
int result = JOptionPane.showConfirmDialog(null, "Remove now?");
switch (result) {
case JOptionPane.YES_OPTION:
System.out.println("Yes");
break;
case JOptionPane.NO_OPTION:
System.out.println("No");
break;
case JOptionPane.CANCEL_OPTION:
System.out.println("Cancel");
break;
case JOptionPane.CLOSED_OPTION:
System.out.println("Closed");
break;
}
String name = JOptionPane.showInputDialog(null, "Please enter your name.");
System.out.println(name);
JTextField userField = new JTextField();
JPasswordField passField = new JPasswordField();
String message = "Please enter your user name and password.";
result = JOptionPane.showOptionDialog(frame, new Object[] { message, userField, passField },
"Login", JOptionPane.OK_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE, null, null, null);
if (result == JOptionPane.OK_OPTION)
System.out.println(userField.getText() + " " + new String(passField.getPassword()));
}
}
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