Skeleton

import java.awt.Graphics;
import java.awt.Graphics2D;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.JLayeredPane;
import java.awt.BorderLayout;
import java.awt.Dimension;

import java.awt.event.KeyEvent;

public class Skeleton extends JFrame
{
    private Character playerChar = new Character();

    /**
     * Constructor for objects of class Skeleton
     */
    public Skeleton()
    {
        // initialise instance variables
        initUI();
    }

    private void initUI()
    {
        playerChar = new Character();
        setPreferredSize( new Dimension( 500, 500 ) );

        setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
        setLocationRelativeTo( null );

        add( playerChar );

        playerChar.setDoubleBuffered( true );

        pack(); //?
        setResizable( false );
        setSize( 500, 500 );
    }

    public void keyPressed( KeyEvent e )
    {
                if( playerChar != null )
            playerChar.startMoving();

    }

    public void keyReleased(KeyEvent e)
    {
        System.out.println( "Key released: " + e.getKeyChar() + " (" + e.getKeyCode() + ")" );

        if( playerChar != null )
            playerChar.stopMoving();
    }
}