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Klio2033 [76]
3 years ago
15

Suppose you have a programmer-defined data type Data and want to overload the << operator

Computers and Technology
1 answer:
KATRIN_1 [288]3 years ago
5 0

Answer:

(a) ostream &operator<<(ostream &output, const Data &dataToPrint)

Explanation:

If you have a programmer-defined data type Data and want to overload the << operator to output your data type to the screen in the form cout <<dataToPrint; and allow cascaded function calls.

The first line of the function definition would be;

ostream &operator<<(ostream &output, const Data &dataToPrint)

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2. Sanjay thinks it's okay to plagiarize because he thinks his instructors won't find out. However, it's
Tatiana [17]
The correct answer is B
8 0
3 years ago
What is the value of x after each of the following statements is encountered in a computer program, if x=1 before the statement
steposvetlana [31]

Answer:

x=2

x=1

x=2

Explanation:

a)

This if statement if (1+2=3) checks if the addition of two numbers 1 and 2 is true. Here the addition of 1 and 2 is 3 which is true. So the condition becomes true.

Since the condition is true x:=x+1 statement is executed. This statement means that the value of x is incremented by 1.

The value of x was 1 before the if statement is reached. So x:=x+1 statement will add 1 to that value of x.

x:=x+1 means x=x+1 which is x=1+1 So x=2

Hence value of x is 2 (x=2) after the execution of x:=x+1

b)

In statement b the value of x will be 1 because both the mathematical operations in the if statement evaluate to false.

which means in b, x:=x+1 will not be executed and value of x remains unchanged i.e x=1

In (c) the value x will be 2 because the condition in the if statement is true. Both mathematical expressions 2+3=5 and 3+4=7 are true. Therefore x:=x+1 will be executed and value of x will be incremented by 1. Hence x=2

5 0
3 years ago
How will a packet tracer environment be affected if a heater is added to a container named branch office and turned on?
viktelen [127]
 <span>Packet Tracer introduced dynamic environent management (temperature, gas, pressure, light, ...) to make IoT device simulation more realistic.</span><span>
If a heater is added to a container named branch office and turned on this will affect the packet tracer environment ins the following way:
</span>The temperature inside Branch Office will increase along with any child containers that exist within Branch Office.
6 0
4 years ago
A user has multiple web pages open and is using email. Which layer of the Transmission Control Protocol/Internet Protocol (TCP/I
Fudgin [204]

Answer:

This is the second question like this I've seen. They aren't the greatest.

Explanation:

The question is not good. The answer would be option a, Transport even though it doesn't make a whole lot of sense when you really go into detail.

It could also be option d, Application but I think they're going for the first.

6 0
2 years ago
Write a program that removes all spaces from the given input.
sasho [114]

Explanation:

#include<iostream>

#include<string.h>

using namespace std;

char *removestring(char str[80])

{

   int i,j,len;

   len = strlen(str);

   for( i = 0; i < len; i++)

   {

       if (str[i] == ' ')

       {

           for (j = i; j < len; j++)

               str[j] = str[j+1];

           len--;

       }

   }

   return str;

}

int main ()

{  

char  str[80];

   cout << "Enter a string : ";

   cin.getline(str, 80);

   strcpy(removestring(str), str);

   cout << "Resultant string : " << str;

   return 0;

}

In this program the input is obtained as an character array using getline(). Then it is passed to the user-defined function, then each character is analyzed and if space is found, then it is not copied.

C++ does not allow to return character array. So Character pointer is returned and the content is copied to the character array using "strcpy()". This is a built in function to copy pointer to array.

5 0
4 years ago
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