
the below pgm has an exception during run time, and has no errors during compilation , pls help. wat to do?
class Pyramid
{
public static void main(String[] args)
{
int x = 9;
for (int i = 1; i <= x; i++)
{
for (int j = 1; j <= x - i; j++)
System.out.print(" ");
for (int k = i; k >= 1; k--)
System.out.print((k >=10) ?+ k : " " + k);
for (int k = 2; k <=i; k++)
System.out.print((k>= 10) ?+ k : " " + k);
System.out.println();
}
}
}

i have run this code successfully...
public class Pyramid {
public static void main(String[] args)
{
int x = 9;
for (int i = 1; i <= x; i++)
{
for (int j = 1; j <= x - i; j++)
System.out.print(" ");
for (int k = i; k >= 1; k--)
System.out.print((k >= 10) ? +k : " " + k);
for (int k = 2; k <= i; k++)
System.out.print((k >= 10) ? +k : " " + k);
System.out.println();
}
}
}
i m coping its output as it is :
1
2 1 2
3 2 1 2 3
4 3 2 1 2 3 4
5 4 3 2 1 2 3 4 5
6 5 4 3 2 1 2 3 4 5 6
7 6 5 4 3 2 1 2 3 4 5 6 7
8 7 6 5 4 3 2 1 2 3 4 5 6 7 8
9 8 7 6 5 4 3 2 1 2 3 4 5 6 7 8 9
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