Question

Kids R Us Child Care Centers is creating an online parent portal that parents will access with a username and password. Use a formula to create a username for each parent based on the following rules: • Lowercase first letter of first name. • Digit five of ID. • Uppercase first four letters of last name. • Last digit of phone number. • Number of characters in first name

Please show the formula used

Parent ID	Parent Last Name	Parent First Name	Parent Phone	Parent Username
100000	Ewing	Levi	(550) 726-7424
100001	Gillespie	Vera	(263) 579-3567
100002	Mccall	Astra	(897) 263-3526
100003	Woodward	Constance	(845) 953-5717
100004	Duke	Keaton	(289) 465-5356
100005	Stephenson	Alana	(693) 335-3919
100006	Guzman	Cally	(836) 183-4738
100007	Zimmerman	Flavia	(590) 994-9083
100008	Cooper	Jameson	(373) 497-3310

Answer 1

class UserName

{

public static void main(String [] args)

{

String UserName=""; //Initializing the string UserName with empty string.

String ParentFirstName="Gillespie";

String ParentLastName="Vera";

String ParentID="100001";

String ParentPhone="(263)579-3567";

UserName+=ParentFirstName.toLowerCase().charAt(0);   //Adding Lower case first letter of firstname

UserName+=ParentID.charAt(4);            //Adding fifth digit of ID

UserName+=ParentLastName.toUpperCase().substring(0,4);//Adding Uppercase first 4 letters of lastname

UserName+=ParentPhone.charAt(ParentPhone.length()-1); //Adding last digit of phone number

UserName+=ParentFirstName.Length(); //Adding number of characters in first name.

System.out.println("User Name is : "+UserName);

}

}

Output: