Java Questions & Answers – File and Directory

This set of Java Multiple Choice Questions & Answers (MCQs) focuses on “File and Directory”.

1. Which method is used to create a directory with fileattributes?
a) Path.create()
b) Path.createDirectory()
c) Files.createDirectory(path, fileAttributes)
d) Files.create(fileAttributes)
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2. Which method can be used to check fileAccessiblity?
a) isReadable(path)
b) isWritable(path)
c) isExecutable(path)
d) isReadable(path), isWritable(path), and isExecutable(path)
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3. How can we delete all files in a directory?
a) Files.delete(path)
b) Files.deleteDir()
c) Directory.delete()
d) Directory.delete(path)
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4. How to copy the file from one location to other?
a) Files.copy(source, target)
b) Path.copy(source, target)
c) source.copy(target)
d) Files.createCopy(target)
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5. How can we get the size of specified file?
a) capacity(path)
b) size(path)
c) length(path)
d) Path.size()
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6. How to read entire file in one line using java 8?
a) Files.readAllLines()
b) Files.read()
c) Files.readFile()
d) Files.lines()
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7. How can we create a symbolic link to file?
a) createLink()
b) createSymLink()
c) createSymbolicLink()
d) createTempLink()
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8. How can we filter lines based on content?
a) lines.filter()
b) filter(lines)
c) lines.contains(filter)
d) lines.select()
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9. Which jar provides FileUtils which contains methods for file operations?
a) file
b) apache commons
c) file commons
d) dir
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10. Which feature of java 7 allows to not explicitly close IO resource?
a) try catch finally
b) IOException
c) AutoCloseable
d) Streams
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Sanfoundry Global Education & Learning Series – Java Programming Language.

To practice all areas of Java language, here is complete set of 1000+ Multiple Choice Questions and Answers.