public class Demo {
public static void main(String args[]) throws Exception {
for (int i = 1; i <= 5; i++) {
for (int j = 1; j <= 5 - i; j++) {
System.out.print(" ");
}
for (int k = 1; k <= 2 * i - 1; k++) {
System.out.print('*');
}
System.out.println();
}
for (int i = 1; i <= 4; i++) {
for (int j = 1; j <= i; j++) {
System.out.print(" ");
}
for (int k = 7; k >= 2 * i - 1; k--) {
System.out.print('*');
}
System.out.println();
}
}
}