Java language How to fix error on line 7 line.lastIndexOf(("")).trim(). I get an error saying "Cannot invoke trim() on the primitive type int" 1.import java.util.Scanner;

2.public class BankWithdrawal {

3.public static void main (String[]args) {

4.Scanner scan = new Scanner(System.in);

5.System.out.println("Enter first name, last name, and amount of money you want to withdraw: ");

6.String line = scan.nextLine();

7.String name = line.substring(0, line.lastIndexOf(("")).trim();

8.float money = Float.parseFloat(line.substring(line.lastIndexOf(""),line.length()).trim());

9.System.out.println("Hi "+name+"! You would like to withdraw $"+money+".equals(Thanks!");

10.}

11.}