Java Autoboxing MCQs Questions

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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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Answer & Solution

Answer: Option C

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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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Answer & Solution

Answer: Option D

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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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Answer & Solution

Answer: Option A

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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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Answer & Solution

Answer: Option A

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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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Answer & Solution

Answer: Option B

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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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Answer & Solution

Answer: Option A

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How can we create a symbolic link to file?

A) createLink() B) createSymLink() C) createSymbolicLink() D) createTempLink()

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Answer & Solution

Answer: Option C

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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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Answer & Solution

Answer: Option A

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Which jar provides FileUtils which contains methods for file operations?

A) file B) apache commons C) file commons D) dir

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Answer & Solution

Answer: Option B

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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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Answer & Solution

Answer: Option C

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Java Autoboxing MCQs Questions | Java Program MCQs