Why am I getting an assertion error in my code saying that the reason is an incorrect string interpolation.this is my code: I am getting the correct output code for my code,but I am getting an assertion error message say incorrect output message which is the result of incorrect string interpolation. why is this? This is my code so far: import java.util.*; public class DebugNine3 { public static void main(String[] args) { ArrayList products = new ArrayList(); products.add("shampoo"); products.add("moisturizer"); products.add("conditioner"); Collections.sort(products); display(products); final String QUIT = "quit"; String entry; Scanner input = new Scanner(System.in); System.out.print(" Enter a product or + QUIT + to quit >> "); entry = input.nextLine(); while(!entry.equals("quit")) { products.add(entry); Collections.sort(products); display(products); System.out.print(" Enter a product or " + QUIT + " to quit >> "); entry = input.nextLine(); } } public static void display(ArrayListproducts) { System.out.println(" The size of the list is " + products.size()); for(int x = 0; x