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FirstName_LastName_SerialNumber Clas: The First_Last_SerialNumber class is used by the Home Software Company to validate software serial numbers. A valid software serial number is in the form LLLLL-DDDD-LLLL, where L indicates an alphabetic letter and D indicates a numeric digit. For example, WRXTQ-7786-PGVZ is a valid serial number. Notice that a serial number consists of three groups of characters, delimited by hyphens.

FirstName_LastName_SerialNumber Clas: The First_Last_SerialNumber class is used by the Home Software Company to validate software serial numbers. A valid software serial number is in the form LLLLL-DDDD-LLLL, where L indicates an alphabetic letter and D indicates a numeric digit. For example, WRXTQ-7786-PGVZ is a valid serial number. Notice that a serial number consists of three groups of characters, delimited by hyphens.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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In JAVA 

HERE IS SerialNumberTester class:

public class SerialNumberTester
{
public static void main(String[] args)
{
String serial1 = "GHTRJ-8975-AQWR"; // Valid
String serial2 = "GHT7J-8975-AQWR"; // Invalid
String serial3 = "GHTRJ-8J75-AQWR"; // Invalid
String serial4 = "GHTRJ-8975-AQ2R"; // Invalid
// Validate serial1.
First_Last_SerialNumber sn = new First_Last_SerialNumber(serial1);
if (sn.isValid())
System.out.println(serial1 + " is valid.");
else
System.out.println(serial1 + " is invalid.");
// Validate serial2.
sn = new First_Last_SerialNumber(serial2);
if (sn.isValid())
System.out.println(serial2 + " is valid.");
else
System.out.println(serial2 + " is invalid.");
// Validate serial3.
sn = new First_Last_SerialNumber(serial3);
if (sn.isValid())
System.out.println(serial3 + " is valid.");
else
System.out.println(serial3 + " is invalid.");
// Validate serial4.
sn = new First_Last_SerialNumber(serial4);
if (sn.isValid())
System.out.println(serial4 + " is valid.");
else
System.out.println(serial4 + " is invalid.");
}
}

You will need to turn in a java classes file: FirstName_LastName_SerialNumber .java GOOD LUCK! FirstName_LastName_SerialNumber Class The First_Last_SerialNumber class is used by the Home Software Company to validate software serial numbers. A valid software serial number is in the form LLLLL-DDDD-LLLL, where L'indicates an alphabetic letter and D indicates a numeric digit. For example, WRXTQ-7786-PGVZ is a valid serial number. Notice that a serial number consists of three groups of characters, delimited by hyphens. UML diagram for the First_ Last_SerialNumber class. SerialNumber |- first : String |- second : String |- third : String - valid : booloan + SerialNumber(sn : String) + isValid() : boolean |- validate() : void |- isFirstGroupValid: boolean |- isSecondGroupValid : boolean |- isThirdGroupValid : boolean The fields first, second, and third are used to hold the first, second, and third groups of characters in a serial number. The valid fi eld is set to true by the constructor to indicate a valid serial number, or false to indicate an invalid serial number. FirstName_LastName_SerialNumber elass's meckods Method Description Constructor The constructor accepts a string argument that contains a serial number. The string is tokenized and its tokens are stored in the first, second, and third fields. The validate method is called. isValid This method returms the value in the valid field. This method calls the isFirstGroupValid, isSecondGroupValid , and isThirdGroupValid = methods to validate the first, second, and third fields. This method retums true if the value stored in the first field is valid. Otherwise, it returns false. validate isFirstGroupValid isSecondGroupValid This method returns true if the value stored in the second field is valid. Otherwise, it returns false. This method retums true if the value stored in the third field is valid. Otherwise, it returms false. is ThirdGroupValid You can use the SerialNumberTester class provided to test your First_Last_SerialNumber class
Transcribed Image Text:You will need to turn in a java classes file: FirstName_LastName_SerialNumber .java GOOD LUCK! FirstName_LastName_SerialNumber Class The First_Last_SerialNumber class is used by the Home Software Company to validate software serial numbers. A valid software serial number is in the form LLLLL-DDDD-LLLL, where L'indicates an alphabetic letter and D indicates a numeric digit. For example, WRXTQ-7786-PGVZ is a valid serial number. Notice that a serial number consists of three groups of characters, delimited by hyphens. UML diagram for the First_ Last_SerialNumber class. SerialNumber |- first : String |- second : String |- third : String - valid : booloan + SerialNumber(sn : String) + isValid() : boolean |- validate() : void |- isFirstGroupValid: boolean |- isSecondGroupValid : boolean |- isThirdGroupValid : boolean The fields first, second, and third are used to hold the first, second, and third groups of characters in a serial number. The valid fi eld is set to true by the constructor to indicate a valid serial number, or false to indicate an invalid serial number. FirstName_LastName_SerialNumber elass's meckods Method Description Constructor The constructor accepts a string argument that contains a serial number. The string is tokenized and its tokens are stored in the first, second, and third fields. The validate method is called. isValid This method returms the value in the valid field. This method calls the isFirstGroupValid, isSecondGroupValid , and isThirdGroupValid = methods to validate the first, second, and third fields. This method retums true if the value stored in the first field is valid. Otherwise, it returns false. validate isFirstGroupValid isSecondGroupValid This method returns true if the value stored in the second field is valid. Otherwise, it returns false. This method retums true if the value stored in the third field is valid. Otherwise, it returms false. is ThirdGroupValid You can use the SerialNumberTester class provided to test your First_Last_SerialNumber class
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