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...

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Answer 1

Expert Solution & Answer

Chapter 21.5, 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...

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Check out a sample textbook solution

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Answer 2

Expert Solution & Answer

Chapter 21.5, 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...

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 3

Expert Solution & Answer

Chapter 21.5, 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...

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 4

Expert Solution & Answer

Chapter 21.5, 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...

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 5

Expert Solution & Answer

Answer 6

Expert Solution & Answer

Answer 7

Chapter 21.5, 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...

Answer 8

Chapter 21.5, 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...

Answer 9

Chapter 21.5, 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...

Answer 10

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...

Answer 11

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...

Answer 12

Expert Solution & Answer

Answer 13

Expert Solution & Answer

Answer 14

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Answer 15

Ch. 21.1 - Prob. 1SC Ch. 21.1 - Prob. 2SC Ch. 21.2 - Prob. 3SC Ch. 21.2 - Prob. 4SC Ch. 21.2 - Prob. 5SC Ch. 21.3 - Prob. 6SC Ch. 21.3 - Prob. 7SC Ch. 21.4 - Prob. 8SC Ch. 21.4 - Prob. 9SC Ch. 21.5 - Prob. 10SC

Explanation of Solution

Explanation of Solution

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Chapter 21 Solutions