3.1 review c++
//file reading //open //read //close //how do we define //use fstream header file for file access //ifsteam infile //ofstream outfile //ifstream -input //ofstream -output //fstream -either\ infile.open("inventory.dat") outfile.open("report.txt") //lets send data to a file outfile << "inventory report"; //now we can use object and >> to copy data from file to variables" infile >> partNum; infile >> qtyInStock >> qtyOnOrder; //we have a close member for the end infile.close() outfile.close() #include<iostream> #include<fstream> using namespace std; int main() outputFile.open("demofile.txt"); cout << Now writing ") //write four names outPutFile.