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In Reply to: [´äº¯] Áõ°¡ ¿¬»êÀÚ »ç¿ë¿¡ ¹®Á¦°¡... posted by ±èÇÊÈ£ on 1998³â 5¿ù 13ÀÏ 20:10:33:
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import java.util.*;
class VectorTest
{ public static void main(String[] args)
{ Vector[] v1 = new Vector[10];
for(int i = 0; i < v1.length; i++)
{
v1[i].addElement( new Integer(1)); //error(nullpointer exception)
v1[i].addElement( new Integer(2));//error(nullpointer exception)
v1[i].addElement( new Integer(3));//error(nullpointer exception)
int sum = 0;
for(int n = 0; n < v1[i].size(); n++)
sum += ((Integer) v1[i].elementAt(n)).intValue();
System.out.println( sum ); // 6
}
}
}