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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Question
C++
Consider the following statements:
class yClass
class xClass: public yclass
public:
void one ();
void two (int, int);
yClass ();
private:
public:
void one );
xClass ();
private:
int z;
int a;
};
int b;
and the following statements in the user program (main function ):
yClass y;
xClass x;
Mark the following statements as valid or invalid. If a statement is invalid, explain why.
void yClass::one ()
cout << a +b << endl;
2-
y.a
15;
x.b
30;
3-
void xClass::one ()
10;
15;
a
b =
z = 30;
cout << a + b + z << endl;
4-
cout << y.a << "
<< y.b <<
<< x.z endl;
Transcribed Image Text:Consider the following statements: class yClass class xClass: public yclass public: void one (); void two (int, int); yClass (); private: public: void one ); xClass (); private: int z; int a; }; int b; and the following statements in the user program (main function ): yClass y; xClass x; Mark the following statements as valid or invalid. If a statement is invalid, explain why. void yClass::one () cout << a +b << endl; 2- y.a 15; x.b 30; 3- void xClass::one () 10; 15; a b = z = 30; cout << a + b + z << endl; 4- cout << y.a << " << y.b << << x.z endl;
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