pls i need help with my assignment

import java.util.*;
public class PatternExample {
public static void main(String[] args) {
    Scanner input=new Scanner(System.in);
    System.out.print("Enter height: ");
    int num=input.nextInt();
int p = num;
int q = 0;
for (int i = 0; i <= num; i++) {
for (int j = p; j>= 1; j-- )
System.out.print(" ");
p-=1;
for (int k = 1; k <= i; k++)
System.out.print ("* ");
System.out.println();
}
}
}