This Java program outputs a pattern in Hourglass shape on the screen. Two nested for loops are needed for this
class HourglassPatternExample {
public static void main(String[] args) {
int i, j, k, n = 8;
for (i = 1; i <= n; i++) {
for (j = 1; j < i; j++) {
System.out.print(' ');
}
for (k = i; k <= n; k++) {
System.out.print("* ");
}
System.out.println();
}
for (i = n - 1; i >= 1; i--) {
for (j = 1; j < i; j++) {
System.out.print(' ');
}
for (k = i; k <= n; k++) {
System.out.print("* ");
}
System.out.println();
}
}
}
* * * * * * * *
* * * * * * *
* * * * * *
* * * * *
* * * *
* * *
* *
*
* *
* * *
* * * *
* * * * *
* * * * * *
* * * * * * *
* * * * * * * *