package bubble.test.ex10;import java.awt.event.KeyAdapter;import java.awt.event.KeyEvent;import javax.swing.ImageIcon;import javax.swing.JFrame;import javax.swing.JLabel;public class BubbleFrame extends JFrame { // 컨텍스트를 생성하는 방법 (셀프 참조) BubbleFrame mContext = this; private JLabel backgroundMap; // 포함관계 - 콤포지션 private Player player; private Enemy enemy; public BubbleFrame() { initData(); setIni..