46. How to copy the file from one location to other?

1. 1. Path.copy(source, target)

   
   
   

   2. Files.createCopy(target)

   
   
   

   3. Files.copy(source, target)

   
   
   

   4. source.copy(target)

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   Files.copy(source, target) is used to copy a file from one location to another. There are various options available like REPLACE_EXISTING, COPY_ATTRIBUTES and NOFOLLOW_LINKS.

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47. How can we get the size of specified file?

1. 1. length(path)

   
   
   

   2. capacity(path)

   
   
   

   3. Path.size()

   
   
   

   4. size(path)

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   size(Path) returns the size of the specified file in bytes.

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48. How to read entire file in one line using java 8?

1. 1. Files.read()

   
   
   

   2. Files.readFile()

   
   
   

   3. Files.lines()

   
   
   

   4. Files.readAllLines()

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   Java 8 provides Files.readAllLines() which allows us to read entire file in one task. We do not need to worry about readers and writers.

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49. How can we create a symbolic link to file?

1. 1. createSymLink()

   
   
   

   2. createSymbolicLink()

   
   
   

   3. createTempLink()

   
   
   

   4. createLink()

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   createSymbolicLink() creates a symbolic link to a target.

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50. How can we filter lines based on content?

1. 1. lines.select()

   
   
   

   2. lines.contains(filter)

   
   
   

   3. lines.filter()

   
   
   

   4. filter(lines)

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   lines.filter(line -> line.contains(“===—> Loaded package”)) can be used to filter out.

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