Consider the following program segment. ifstream inFile; //Line 1
Int x, y; //Line 2
).. //Line 3
InFile x y; //Line 4
Which of the following statements at Line 3 can be used to open the file progdata.dat and input data from this file into x and y at Line 4?
A) inFile.open("progdata.dat");
B) inFile(open,"progdata.dat");
C) open.inFile("progdata.dat");
D) open(inFile,"progdata.dat");

Question

Consider the following program segment. ifstream inFile; //Line 1
Int x, y; //Line 2
).. //Line 3
InFile >> x >> y; //Line 4
Which of the following statements at Line 3 can be used to open the file progdata.dat and input data from this file into x and y at Line 4?
A) inFile.open("progdata.dat");
B) inFile(open,"progdata.dat");
C) open.inFile("progdata.dat");
D) open(inFile,"progdata.dat");

Quizplus · Accepted Answer

The correct syntax for opening a file using ifstream is as follows: ifstream_Name.open("file_name"). Therefore, option A is the correct choice as it follows the correct syntax and opens the file "progdata.dat". Option B and D have syntax errors and option C is an invalid statement.

Consider the Following Program Segment