What will be the output of the following C++ code?#include #include using namespace std;int main(){stringstream mys(ios :: in | ios :: out);std :: string dat("The double value is : 74.79 .");mys.str(dat);mys.seekg(-7, ios :: end);double val;mys >> val;val = val*val;mys.seekp(-7,ios::end);mys

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C++ Quiz on on different aspects of a container which includes creation and design of new containers, vectors and sequences, types of inheritance and various class hierarchies, sequences like seq_con array class, seq_con vector class, stl – pair and heap, vtable, vptr, generators, array type manipulations, tuples, complex library, valarray, bitset and class relationships. Class Hierarchies: A class hierarchy in C++ is a structure where classes are organized in a tree-like manner, with a base class at the top and derived classes below it. The derived classes inherit the properties and methods... Show more

What will be the output of the following C++ code?<br>#include <iostream><br>#include <sstream><br>using namespace std;<br>int main()<br>{<br>stringstream mys(ios :: in | ios :: out);<br>std :: string dat("The double value is : 74.79 .");<br>mys.str(dat);<br>mys.seekg(-7, ios :: end);<br>double val;<br>mys >> val;<br>val = val*val;<br>mys.seekp(-7,ios::end);<br>mys << val;<br>std :: string new_val = mys.str();<br>cout << new_val;<br>return 0;<br>}