적수네 동네 - 질문과 답변 [ 게시물 수정 ]

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#java Why
  Warning: Cannot convert string "<Key>Escape,_Key_Cancel" to type VirtualBinding
Warning: Cannot convert string "<Key>Home,_Key_Begin" to type VirtualBinding
Warning: Cannot convert string "<Key>F1,_Key_Help" to type VirtualBinding
Warning: Cannot convert string "Shift<Key>F10,_Key_Menu" to type VirtualBinding
Warning: Cannot convert string "<Key>F10,Shift_Key_Menu" to type VirtualBinding
Warning: Cannot convert string "<Key>KP_Enter,_Key_Execute" to type VirtualBinding
Warning: Cannot convert string "Alt<Key>Return,Alt_Key_KP_Enter" to type VirtualBinding
Exception in thread "main" java.lang.NullPointerException
	at Why.<init>(Why.java:17)
	at Why.main(Why.java:28)
     소스임다 ..
 import java.awt.*;
 public class Why
{
	TextField tf[];
	Frame f;
	Panel p;
 	public Why()
	{	
		f = new Frame("Temp");
		p = new Panel();
		String s[]={"1","2","3","4"};
 		for(int i=0;i<s.length;i++)
		{
			tf[i] = new TextField(s[i]);
			p.add(tf[i]);
		}
 		f.add(p,BorderLayout.CENTER);
		f.setSize(400,400);
		f.setVisible(true);
	}
 	public static  void main(String args[])
	{
		Why w = new Why();
	}
}--이 곳에 서명을 적어주십시오.
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