print this pattern

Question

1
2 2
3 0 3
4 0 0 4
5 0 0 0 5

Answer 1

for(int i=1;i<=5;i++) {
for(int j=0;j<i;j++) {
System.out.print(j==0 || j==i-1 ? i : 0);
}
System.out.println();
}