StringBuilder line $=$ new StringBuilder$()$;

$//$ outer loop runs from $1$ to n

for $($int row $=1$; row $<=$ n; row$++)\{$

$//$ inner loop runs from $1$ to n

for $($int col $=1$; col $<=$ n; col$++)\{$

$//$ if the column value is greater than or equal to row

$//$ append an asterisks

if $($col $>=$ row$)$ line.append$("*")$;

$//$ else append a dash

else line.append$("-")$;

$\}$

$//$ if row is not equal to n then append a newline character

if $($row $!=$ n$)$

line.append$("$

$")$;

$\}$

$//$ convert the object to string and return

return line.toString$()$;