2.12 C++ How to Program (8th Edition) By Paul Deitel, Harvey Deitel

What, if anything, prints when each of the following C++ statements is performed? If nothing prints, then answer “nothing.” Assume x = 2 and y = 3.

a) cout << x;

b) cout << x + x;

c) cout << "x=";

d) cout << "x = " << x;

e) cout << x + y << " = " << y + x;

f) z = x + y;

g) cin >> x >> y;

h) // cout << "x + y = " << x + y;

i) cout << "\n";

Solution:
a) 2

b) 4

c) x=

d) x= 2

e)5 = 5

f) nothing

g) nothing

h) nothing

i) nothing. new line