int B;
for(int i=0;i<400;i++)
{
for(int k=0;k<600;k++)
{
error here --------->>>>>> // B=0;
}
}
987987aris wrote ...
2014/6/11
how can i youse 2dimension panel?
int [][] B;
for(int i=0;i<400;i++)
{
for(int k=0;k<600;k++)
{
// B[i][k]=0;
}
} 
You aren't initialising your array on line 1.
(It should also be called 'b' and not 'B' since it is a variable, not a class.)
int [][] b = new int[400][600];
yeah thx it really helped me
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