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File Encryption Filter
File encryption is the science of writing the contents of a file in a secret code. Your encryption
Although there are complex encryption techniques, you should come up with a simple one of your own. For example, you could read the first file one character at a time, and add 10 to the ASCII code of each character before it is written to the second file.
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Chapter 12 Solutions
Starting Out with C++ from Control Structures to Objects (8th Edition)
Additional Engineering Textbook Solutions
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Objects First with Java: A Practical Introduction Using BlueJ (6th Edition)
Starting Out with Java: From Control Structures through Objects (6th Edition)
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- PrintWriter and Scanner - text file I/O DataInputStream and DataOutputStream - binary file I/O RandomAccessFile - binary file i/o where every record is the same number of bytes so that you can seek to a specific record ObjectInputStream and ObjectOutputStream - read and write objects.arrow_forwardWhat should you do if you unintentionally delete a file and then decide that you want to retrieve it?arrow_forwardWhy is it important for a program to close an open file as soon as it is done using the file? Give two reasons.arrow_forward
- a given file can only be opened once per program-- you cannot close it and open again until after your program terminates. true or falsearrow_forwardA file exists on the disk named students.dat. The file contains several records, and eachrecord contains two fields: (1) the student’s name, and (2) the student’s score for the final exam.Design an algorithm that changes Julie Milan’s score to 100.arrow_forward