Java Swing Tutorial - Java KeyEvent VK_PERIOD

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Syntax

KeyEvent.VK_PERIOD has the following syntax.

public static final int VK_PERIOD

Example

In the following code shows how to use KeyEvent.VK_PERIOD field.

// w w  w.  j  a  va 2  s  .c  om

import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

import javax.swing.JFrame;
import javax.swing.JPanel;

public class Main extends JPanel implements KeyListener {
  public Main() {
    addKeyListener(this);
  }

  public void keyPressed(KeyEvent evt) {
    int keyCode = evt.getKeyCode();

    if (keyCode == KeyEvent.VK_PERIOD){
      System.out.println("KeyEvent.VK_PERIOD");
    }
  }

  public void keyReleased(KeyEvent evt) {
  }

  public void keyTyped(KeyEvent evt) {
  }

  public boolean isFocusTraversable() {
    return true;
  }

  public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.setSize(300, 200);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    frame.add(new Main());

    frame.setVisible(true);
  }
}

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