请教高手AWT的图片显示问题
import   java.awt.*; 
 import   java.awt.event.*; 
 public   class   DrawImage 
 { 
 	public   static   void   main(String   []   args) 
 	{ 
 		Frame   f=new   Frame( "IT   communication 's   net "); 
 		Image   img=f.getToolkit().getImage( "c:\\test.gif "); 
 		f.getGraphics().drawImage(img,0,0,f); 
 		f.setSize(500,500); 
 		f.setVisible(true); 
 		f.addWindowListener(new   WindowAdapter() 
 			{ 
 				public   void   windowClosing(WindowEvent   e) 
 				{ 
 					e.getWindow().setVisible(false); 
 					((Window)e.getComponent()).dispose(); 
 					System.exit(0); 
 				} 
 			}); 
 	} 
 }   
 为什么用JCreator运行时出现 
 Exception   in   thread    "main "   
java.lang.NullPointerException            at   DrawImage.main(DrawImage.java:9)
------解决方案--------------------不用加C盘。。直接放在你的.java目录下,就可以了。