Big Java Late Objects
Big Java Late Objects
2nd Edition
ISBN: 9781119330455
Author: Horstmann
Publisher: WILEY
Expert Solution & Answer
Book Icon
Chapter 20.5, Problem 14SC

Explanation of Solution

To make a backup copy of a file:

  • Obtain a path for the backup file first.
  • Alter the suffix as follows,

Path q = Paths.get(p.toString().replace(“.txt”, “.bak”));

  • The user can also alter the suffix as is usual in Linux, insert a “~” to the file name:

  Path q = Paths.get(p.toString() + "~");

  • To copy a file, the method “copy()” is used as follows,

  Files...

Explanation of Solution

To overcome the problem:

  • To copy a file, the method “copy()” is used as follows,

  Files.copy(p, q);

  • If “p” does not exist, the function invocation on the “copy()” method throws an exception.
  • Similarly, if the backup file “q” is already exists, then also the call to the method “copy()” throws an exception.
  • To overcome the problem of file existence, first delete the file using the method “delete()”, if it already exists...

Students have asked these similar questions
Using R language. Here is the information link. http://www.cnachtsheim-text.csom.umn.edu/Kutner/Chapter%20%206%20Data%20Sets/CH06PR18.txt
Using R language
How can I type the Java OOP code by using JOptionPane with this following code below: public static void sellCruiseTicket(Cruise[] allCruises) { //Type the code here }
Knowledge Booster
Background pattern image
Similar questions
SEE MORE QUESTIONS
Recommended textbooks for you
Text book image
Database System Concepts
Computer Science
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:McGraw-Hill Education
Text book image
Starting Out with Python (4th Edition)
Computer Science
ISBN:9780134444321
Author:Tony Gaddis
Publisher:PEARSON
Text book image
Digital Fundamentals (11th Edition)
Computer Science
ISBN:9780132737968
Author:Thomas L. Floyd
Publisher:PEARSON
Text book image
C How to Program (8th Edition)
Computer Science
ISBN:9780133976892
Author:Paul J. Deitel, Harvey Deitel
Publisher:PEARSON
Text book image
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781337627900
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning
Text book image
Programmable Logic Controllers
Computer Science
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education