Look at the following code:
FileInputStream fstream = new FileInputStream("info.dat"); DataInputStream inputFile = new DataInputStream(fstream);
This code could also be written as
A) DataInputStream inputFile = new DataInputStream(new FileInputStream("info.dat"));
B) DataInputStream inputFile = new DataInputStream("info.txt");
C) FileInputStream inputFile = new FileInputStream(new DataInputStream("info.dat"));
D) FileInputStream fstream = new DataInputStream("info.txt");

Question

Quizplus · Accepted Answer

This is the correct way to create a DataInputStream object that reads from a file. It creates a FileInputStream object, passes it to the constructor of DataInputStream, and creates a new DataInputStream object that reads from the file "info.dat". Option B is incorrect because the constructor of DataInputStream does not accept a String parameter. Option C is incorrect because the constructor of FileInputStream does not accept a DataInputStream parameter. Option D is incorrect because the constructor of FileInputStream does not accept a String parameter.

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