a) The sequence file also can contain a “secondary” key-value list that can be used as file Metadata
b) SequenceFile formats share a header that contains some information which allows the reader to recognize is format
c) There’re Key and Value Class Name’s that allow the reader to instantiate those classes, via reflection, for reading
d) All of the mentioned
Answer: d
Explanation: In contrast with other persistent key-value data structures like B-Trees, you can’t seek to specified key editing, adding or removing it.
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What is the output of the given code?
counter=1
if counter<=5
puts (counter)
counter=counter+1What is the output of the given code?
if(a==10 && b=9)
print “true”
else
print “false”
endWhich of the following are used for comparison?
What is the output of the given code?
a=10
b=9
if(a>b)
print (“a greater than b”)
else
print “Not greater”
endAssignment operator is also known as relational operator.
What is the output of the given code?
a=”string”
b=”strings”
if(a==b)
print (“a and b are same”)
else
print “Not same”
endWhat is the output of the given code?
test_1 = 17 > 16
puts(test_1)
test_2 = 21 <= 30
puts(test_2)
test_3 = 9 >= 9
puts(test_3)
test_4 = -11 > 4
puts(test_4)
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