TFile* file = new TFile("example.root", "READ"); std::cout << "File name: " << file->GetName() << std::endl;
TFile* file = new TFile(); std::cout << "File name: " << file->GetName() << std::endl;This example creates a TFile object using the default constructor, which does not specify a file name. However, the GetName() method still returns a name (in this case, "memory:0x..."), which can be useful for debugging purposes. These examples use the TFile class from the ROOT data analysis framework.