Why did we use the PrintStream and Scanner classes for file output and input, respectively?A They're the only classes available for file input and output.B They allow us to use the same input and output method call formats we used for keyboard input and display output.C Those are not classes we used for file input and output.D Only the PrintStream class can create a file that the Scanner class can read.

Answer: The PrintStream and Scanner classes are used for file input and output because they provide…

Answered: Why did we use the PrintStream and…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Why did we use the PrintStream and Scanner classes for file output and input, respectively?

A

They're the only classes available for file input and output.
B

They allow us to use the same input and output method call formats we used for keyboard input and display output.
C

Those are not classes we used for file input and output.
D

Only the PrintStream class can create a file that the Scanner class can read.

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