Computer Science Test – Practice Questions With Detailed Solutions

Computer Science Test – Practice Questions With
Detailed Solutions

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Practice questions for this set


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What is used for writing output to a This marks the beginning of a multiline
1 2
file? comment.



Which of the following does not
change the value of a variable?
count++
This keyword causes an object to be
3 4 count == 1
created in memory.
count += 1
count = 1
count = count + 1



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Terms in this set (58)



What is used for writing output to a PrintWriter
file?

, What is used when getting input from scanner
a file?


Which of the following is not a scanner
primitive data type?
float
long
Scanner
char


Which of the following is an example /n
of an escape sequence?
/n
while
main
Scanner


Which of the following does not count == 1
change the value of a variable?
count++
count == 1
count += 1
count = 1
count = count + 1


Which of the following should you use Math.pow
to compute the value that results
when raising one variable to the
power of another (i.e,
exponentiation)?
Math.pow
Math.random
**
++
^
none