package?pro01;
//版本1需要出現一個窗口
import?java.awt.*;
import?javax.swing.*;
public?class?BallGame?extends?Jframe?{
	//加載圖片
	Image?ball=Toolkit.getDefaultToolkit（）.getImage（“images/ball.png“）;
	Image?desk=Toolkit.getDefaultToolkit（）.getImage（“images/desk.jpg“）;
	
	double?x=100;//小球橫坐標
	double?y=100;//小球縱坐標
	boolean?right=true;//方向
	//畫窗口方法
	public?void?paint（Graphics?g）?{
		System.out.println（“窗口被畫了了一次“）;
		g.drawImage（desk?0?0?null）;
		g.drawImage（ball?（int）x?（int）y?null）;
		//x=x+1;
		if（right）?{
			x=x+10;
		}else?{
			x=x-10;
		}
		
		if（x>900）?{
			right=false;
		}
		if（x<40）{
			right=true;
		}
		
	}
	//窗口加載
	void?launchframe（）?{
		setSize（1200650）;
		setLocation（500500）;
		setVisible（true）;
		//重畫窗口
		while（true）?{
			repaint（）;
			try?{
				Thread.sleep（40）;//40ms1秒=1000毫秒，大約一秒畫25詞窗口
			}catch（Exception?e）{
				e.printStackTrace（）;
			}
			
		}
	}
	
	//main方法是程序的執行入口
	public?static?void?main（String[]?args）?{
		BallGame?game=new?BallGame（）;
		game.launchframe（）;
		
	}

}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-10-01?13:21??pro01\
?????文件?????????396??2018-10-01?10:39??pro01\.classpath
?????文件?????????381??2018-10-01?10:39??pro01\.project
?????目錄???????????0??2018-10-01?13:21??pro01\.settings\
?????文件?????????642??2018-10-01?10:39??pro01\.settings\org.eclipse.jdt.core.prefs
?????目錄???????????0??2018-10-01?13:21??pro01\bin\
?????目錄???????????0??2018-10-01?13:21??pro01\bin\pro01\
?????文件????????1838??2018-10-01?12:28??pro01\bin\pro01\BallGame.class
?????文件????????1959??2018-10-01?12:48??pro01\bin\pro01\BallGame2.class
?????目錄???????????0??2018-10-01?13:21??pro01\images\
?????文件???????29675??2018-10-01?11:38??pro01\images\ball.png
?????文件???????81161??2018-10-01?10:41??pro01\images\desk.jpg
?????目錄???????????0??2018-10-01?13:21??pro01\src\
?????目錄???????????0??2018-10-01?13:21??pro01\src\pro01\
?????文件????????1121??2018-10-01?12:28??pro01\src\pro01\BallGame.java
?????文件????????1185??2018-10-01?12:48??pro01\src\pro01\BallGame2.java