The ________ abstract classes are Unicode character-based streams.
a. Reader and Writer
b. BufferedReader and BufferedWriter
c. CharArrayReader and CharArrayWriter
d. UnicodeReader and UnicodeWriter
a. Reader and Writer
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An iterator is
a) an element in a collection. b) an object that allows access to each element in a collection individually. c) an interface d) a loop control variable e) a five syllable word
How many files are displayed now, more than before? Explain.
Work with hidden files in Linux. a. In Linux, files with names that begin with a ‘.’ (single dot) are not shown by default. While dot-files have nothing else special about them, they are called hidden files because of this feature. Examples of hidden files are .file5, .file6, .file7. b. Use ls -l to display the files stored in the analyst home directory.
[analyst@secOps ~]$ ls –lc. Use the ls -la command to display all files in the home directory of analyst, including the hidden files.
[analyst@secOps ~]$ ls –la
Cron is a list of automated tasks in Linux
Indicate whether the statement is true or false
Reducing opacity causes objects to appear ____________________.
Fill in the blank(s) with the appropriate word(s).