Problem exiting program with if statement

  public static void main(String[] args) {
        // TODO code application logic here
        Scanner scanner = new Scanner(System.in);
        
    String cleanInputBuffer;
        
        boolean end = false; // is the input name stop?
        while (end == false) // as long as end is false, proceed
        {
        System.out.print("Enter employee name: ");
        String name = scanner.nextLine();
        
        if (name.toLowerCase() == "stop")
        {
            end = true; // when the stop is detected, change the boolean
      
        }
        System.out.print("Enter number of hours worked in a week: ");
        double hours = scanner.nextDouble();
        
    while (hours < 0) //if a negative number will loop next command
    {
        System.out.print("Enter a positive number of hours worked:"); // prompt
        hours = scanner.nextDouble();
    }
        System.out.print("Enter hourly pay rate (Do not include dollar sign): ");
        double rate = scanner.nextDouble();
        
while (rate < 0) //if a negative number will loop next command
{
    System.out.print ("Enter a positive hourly rate of pay:");
        rate = scanner.nextDouble();
}
  
/* tax rates should be entered as a decimal point i.e. 20% = .20 */
        
        System.out.print("Enter federal tax withholding rate: ");
        double fedTax = scanner.nextDouble();
        
        System.out.print("Enter state tax withholding rate: ");
        double stateTax = scanner.nextDouble();
        
        System.out.println("Employee Name: " + name + ".");
double grossPay;

    grossPay = rate * hours;

double fedwithHolding;

    fedwithHolding = fedTax * grossPay;
    
double statewithHolding;

    statewithHolding = stateTax * grossPay;
    
double deduction;

    deduction = fedwithHolding + statewithHolding;
    
double netPay;

    netPay = grossPay - deduction;
    
System.out.println("The netpay is $"+ netPay +".");

cleanInputBuffer = scanner.nextLine();
    
        } // end outer while

    } // end method main
    
} // end class PayrollProgramPart