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3 years ago

A) Write a class Card. A Card has the following private attributes:

Computers and Technology

1 answer:

Over [174]3 years ago

6 0

Answer:

Java.

Explanation:

public class Card

{

String Suit;

int value;

public Card(int value, String Suit) {

self.value = value;

// Check Suits value

if ((Suit == "hearts") || (Suit == "spades") || (Suit == "clubs") || (Suit == "diamonds"))

self.Suit = Suit;

else {

Suit = "none";

throw new IllegalArgumentException("no card of this type exists.");

}

public String getSuit() {

return Suit;

}

public int getValue() {

return value;

}

public void print() {

System.out.println("%d of %s", value, Suit);

}

public class Deck {

}

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2 years ago

Discuss the use of distributed (federated) authentication systems in use at your institution. If no such system is in use, then

aleksklad [387]

Answer:

Check the explanation

Explanation:

Distributed (federated) authentication system:

• Federal identity in a information technology is a process of linking a person's identity and the attributes in multiple distinct identity management system.
• It uses a single sign-on authentication; it means that one authentication credential is used to access multiple applications or the accounts.

Use of distributed (federated) authentication systems in institutions

In the institution the educational resources and other splices are offered via online, the faculty, students, alumni or other users using are accessing the resources from the various locations.

Different devices like mobile, tablet, laptop, desktop are used to access those resources.

The distributed or federated authentication identity management permits the institution to provide the access in a trustworthy, protected manner without n explosion a credentials.

• She distributed or federated authentication identity management permits the institution or individual faculty to control the access of research or other data easily and enables new level of academic collaboration

• It support the institutional policies to emend the access of valuable resources to a specific groups a use, and the incorporation of identity management across the academic government and commercial add and it make wider the possibility for interdisciplinary, inter-institutional scholarship.

BENEFITS

Students

• Make them to remember to single user id and password.

• Makes to access the educational resources across the institution and world.

• Personal information's are securely protected.

Teachers and Researchers

• flaps to create learning and research tools.

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3 years ago

Please debug the below code in Java please.

lisabon 2012 [21]

Answer:

Check the explanation

Explanation:

//Bugs are highlighted in bold text

class Invoice

Declarations

private num invoiceNumber

private string customer

private num balanceDue

private num tax

public void setInvoiceNUMBER(num number)

Declarations

num LOW_NUM = 1000

num HIGH_NUM = 9999

if number > HIGH_NUM then

invoiceNumber = 0

else

if number < LOW_NUM then

invoiceNumber = 0

else

invoiceNumber = num

endif

return

public void setCustomer(string cust)

customer = cust

return

public void setBalanceDue(num balance)

//Bug balanceDue is Invoice class varible

//but it is assigned to balance .it gives error

balance = balanceDue

setTax()

return

private void setTax()

Declarations

//Bug TAX_RATE is declared as string

//but assigned a double value

string TAX_RATE = 0.07

tax = tax * TAX_RATE

return

public void displayInvoice()

output "Invoice #", invoiceNumber

output "Customer: ", customer

output "Due: ", balanceDue

output "Tax: ", taxDue

//Bug

//Invoice class has no variable called balance .it should be balanceDue

output "Total ", balance + taxDue

return

endClass

start

Declarations

Invoice inv1

Invoice inv2

Invoice inv3

//Warning

//it gives warning object taken but not initilaized

Invoice inv4

inv1.setInvoiceNumber(1244)

inv1.setCustomer("Brown")

inv1.setBalanceDue(1000.00)

inv1.displayInvoice()

inv2.setInvoiceNumber(77777)

inv2.setCustomer("Jenkins")

inv2.setBalanceDue(2000.00)

inv2.displayInvoice()

inv3.setInvoiceNumber(888)

inv3.setCustomer("Russell")

inv3.setBalanceDue(3000.00)

//Bug

//setTax method of Invioce doesnot take any arguments

inv3.setTax(210.00)

inv3.displayInvoice()

stop

//Here is the complete program in c++

//Run the program using Microsoft visual studio 2010 vc++

#include<iostream>

#include<iomanip>

#include<string>

using namespace std;

class Invoice

{

//class varibales

private:

int invoiceNumber;

string customer;

double balanceDue;

double tax;

//class methods

public:

void setCustomer(string cus);

void displayInvoice();

void setBalanceDue(double balance);

void setInvoiceNUMBER(int number);

void setTax();

};

void Invoice::displayInvoice()

{

cout<< setw(10)<<"Invoice #"<<setw(5)<<invoiceNumber<<endl;

cout<<setw(10)<<"Customer: "<<setw(5)<<customer<<endl;

cout<<setw(10)<<"Due: "<<setw(5)<<balanceDue<<endl;

cout<<setw(10)<<"Tax: "<<setw(5)<<tax<<endl;

//Bug

//Invoice class has no variable called balance .it should be balanceDue

cout<< "Total "<< balanceDue + tax<<endl;

}

void Invoice::setCustomer(string cust)

{

customer = cust;

}

void Invoice::setInvoiceNUMBER(int number)

{

const int LOW_NUM = 1000;

const int HIGH_NUM = 9999;

if( number > HIGH_NUM )

invoiceNumber = 0;

else

if (number < LOW_NUM )

invoiceNumber = 0;

else

invoiceNumber = number;

}

void Invoice::setBalanceDue(double balance)

{

balanceDue = balance;

}

void Invoice::setTax()

{

double TAX_RATE = 0.07;

tax = balanceDue * TAX_RATE;

}

int main()

{

Invoice inv1;

Invoice inv2;

Invoice inv3;

inv1.setInvoiceNUMBER(1244);

inv1.setCustomer("Brown");

inv1.setBalanceDue(1000.00);

inv1.setTax();

inv1.displayInvoice();

inv2.setInvoiceNUMBER(77777);

inv2.setCustomer("Jenkins");

inv2.setBalanceDue(2000.00);

inv2.setTax();

inv2.displayInvoice();

inv3.setInvoiceNUMBER(888);

inv3.setCustomer("Russell");

inv3.setBalanceDue(3000.00);

inv3.setTax();

inv3.displayInvoice();

system("pause");

return 0;

}

Kindly check the output image below.

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3 years ago

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NISA [10]

Answer:false

Explanation:

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Answer:

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Explanation:

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3 years ago