item. This operator can be used anywhere you can use an unsigned integer, including in mathematical operations. cout <« "The size of a short integer is " << sizeof(short) 10 « " bytes.\n"; 11 Program 2-17 12 cout << "The size of a long integer is « sizeof(long) 13 « " bytes.\n"; 1 // This program displays the size of var- 14 ious data types. 15 cout << "An apple can be eaten in " << 2 #include sizeof(apple) 3 using namespace std; « " bytes!\n"; 16 4 17 5 int main(() 18 return 0; 6 { 19 }

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Please explain this code to me. 

I am confused the second cout: “cout << "The size of a long integer is " << sizeof(long) << " bytes.\n";” We already has a similar cout commond, why we have this one. 

moreover, can you tell me the output of this code? 

 

item. This operator can be used anywhere you can
use an unsigned integer, including in mathematical
operations.
9
cout <« "The size of a short integer
is
« sizeof(short)
10
<<
bytes.\n";
11
Program 2-17
12
cout <« "The size of a long integer is
<« sizeof(long)
13
bytes.\n";
<く
1 // This program displays the size of var-
14
ious data types.
15
cout <« "An apple can be eaten in "
<く
2 #include <iostream>
sizeof(apple)
3 using namespace std;
16
bytes!\n";
<<
4
17
5 int main ( )
18
return 0;
6 {
19 }
7
double apple;
Transcribed Image Text:item. This operator can be used anywhere you can use an unsigned integer, including in mathematical operations. 9 cout <« "The size of a short integer is « sizeof(short) 10 << bytes.\n"; 11 Program 2-17 12 cout <« "The size of a long integer is <« sizeof(long) 13 bytes.\n"; <く 1 // This program displays the size of var- 14 ious data types. 15 cout <« "An apple can be eaten in " <く 2 #include <iostream> sizeof(apple) 3 using namespace std; 16 bytes!\n"; << 4 17 5 int main ( ) 18 return 0; 6 { 19 } 7 double apple;
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