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Database System Concepts
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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Which of the following code is correct? A. File file = new File("file.txt"); FileWriter fileWriter = new FileWriter(file); BufferedWriter bWriter = new Buffered Writer(file); B. File file = new File("file.txt"); FileWriter fileWriter = new FileWriter(file); Buffered Writer bWriter = new Buffered Writer (fileWriter); C. File file = new File("file.txt"); FileWriter fileWriter = new FileWriter(); Buffered Writer bWriter = new Buffered Writer (fileWriter); a. A b. B 0 c. c d. none of the above
Transcribed Image Text:Which of the following code is correct? A. File file = new File("file.txt"); FileWriter fileWriter = new FileWriter(file); BufferedWriter bWriter = new Buffered Writer(file); B. File file = new File("file.txt"); FileWriter fileWriter = new FileWriter(file); Buffered Writer bWriter = new Buffered Writer (fileWriter); C. File file = new File("file.txt"); FileWriter fileWriter = new FileWriter(); Buffered Writer bWriter = new Buffered Writer (fileWriter); a. A b. B 0 c. c d. none of the above
What value does readLine() return upon encountering end-of-file? a. null b. The empty string " c. No value; it throws an exception. O d. -1
Transcribed Image Text:What value does readLine() return upon encountering end-of-file? a. null b. The empty string " c. No value; it throws an exception. O d. -1
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