IT. Expert System.

public void focusLost (FocusEvent ev) Description copied from class: FocusAdapter Invoked when a component loses the keyboard focus.Overrides: focusLost in class FocusAdapter

Syntax:

void focusLost(FocusEvent e)

Example:

mport java.awt.*;
import java.awt.event.*;

public class FocusLostDemo {
  Label label;

  public FocusLostDemo() {
    Frame frame = new Frame();
    Button Okay = new Button("Okay");
    Button Cancel = new Button("Cancel");
    Okay.addFocusListener(new MyFocusListener());
    Cancel.addFocusListener(new MyFocusListener());
    frame.add(Okay, BorderLayout.NORTH);
    frame.add(Cancel, BorderLayout.SOUTH);
    label = new Label();
    frame.add(label, BorderLayout.CENTER);
    frame.setSize(450, 400);
    frame.setVisible(true);
    frame.addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent we) {
        System.exit(0);
      }
    });
  }

  public class MyFocusListener implements FocusListener {
    public void focusGained(FocusEvent fe) {
      Button button = (Button) fe.getSource();
      label.setText(button.getLabel());
    }

    @Override
    public void focusLost(FocusEvent arg0) {
      System.out.println("focusLost");
    }
  }

  public static void main(String[] args) {
    new FocusLostDemo();
  }
}

All information of this service is derived from the free sources and is provided solely in the form of quotations. This service provides information and interfaces solely for the familiarization (not ownership) and under the "as is" condition.