Explore topic-wise MCQs in Java.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Java knowledge and support exam preparation. Choose a topic below to get started.

1.

Which feature of java 7 allows to not explicitly close IO resource?

A. try catch finally
B. IOException
C. AutoCloseable
D. Streams
Answer» D. Streams
2.

Which jar provides FileUtils which contains methods for file operations?

A. file
B. apache commons
C. file commons
D. dir
Answer» C. file commons
3.

How can we filter lines based on content?

A. lines.filter()
B. filter(lines)
C. lines.contains(filter)
D. lines.select()
Answer» B. filter(lines)
4.

How can we create a symbolic link to file?

A. createLink()
B. createSymLink()
C. createSymbolicLink()
D. createTempLink()
Answer» D. createTempLink()
5.

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

A. Files.readAllLines()
B. Files.read()
C. Files.readFile()
D. Files.lines()
Answer» B. Files.read()
6.

How can we get the size of specified file?

A. capacity(path)
B. size(path)
C. length(path)
D. Path.size()
Answer» C. length(path)
7.

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)
Answer» B. Path.copy(source, target)
8.

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)
Answer» E.
9.

WHICH_FEATURE_OF_JAVA_7_ALLOWS_TO_NOT_EXPLICITLY_CLOSE_IO_RESOURCE??$

A. try catch finally
B. IOException
C. AutoCloseable
D. Streams
Answer» D. Streams
10.

How can we delete all files in a directory?

A. Files.delete(path)
B. Files.deleteDir()
C. Directory.delete()
D. Directory.delete(path)
Answer» B. Files.deleteDir()
11.

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)
Answer» D. Files.create(fileAttributes)