After run of this syntax my console didn't work well.idont know wether it is hang or working it's scroll bar is laydown

Question

package hi;

import java.util.Scanner;

public class hello {
public static void main(String[]a) {
System.out.print("enter your number");
Scanner s=new Scanner(System.in);
int a1=s.nextInt();
for(int b=a1;b<=a1;b--) {
for(int c=0;c<b;c++) {
System.out.print("*");
}System.out.print("\n");
}

}
}

Answer 1

Remove the line with package hi;.

Answer 2

b = a1; b <= a1 and b-- always true. So infinite loop.
May you need to use condition b > 0 ;