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Java: Math & String

Quiz by Michael Engel

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26 questions
Show answers
  • Q1
    What will be the value of Math.ceil(4.2)?
    5
    6
    4
    4.2
    30s
  • Q2
    What will be the value of Math.pow(2, 3)?
    2
    6
    3
    8
    30s
  • Q3
    What will be the value of Math.random() * 10?
    10
    a random number between 1 and 10
    0
    a random number between 0 and 10
    30s
  • Q4
    What will be the value of Math.abs(-5.8)?
    -5.8
    0
    5
    5.8
    30s
  • Q5
    What will be the value of Math.floor(7.9)?
    6
    7
    8
    7.9
    30s
  • Q6
    What will be the value of Math.sqrt(25)?
    25
    5
    1
    0
    30s
  • Q7
    What will be the value of Math.round(6.7)?
    6
    0
    7
    6.7
    30s
  • Q8
    What will be the value of Math.floor(Math.random() * 100)?
    A random integer between 0 and 99
    100
    A random decimal between 0 and 100
    0
    30s
  • Q9
    Which method can be used to calculate the largest integer less than or equal to a given number in Java?
    Math.floor()
    Math.round()
    Math.ceil()
    Math.random()
    30s
  • Q10
    Which method can be used to calculate the power of a number in Java?
    Math.random()
    Math.pow()
    Math.sqrt()
    Math.abs()
    30s
  • Q11
    Which method can be used to generate a random number between 0.0 (inclusive) and 1.0 (exclusive) in Java?
    Math.abs()
    Math.round()
    Math.random()
    Math.ceil()
    30s
  • Q12
    Which method can be used to calculate the maximum value between two numbers in Java?
    Math.abs()
    Math.min()
    Math.max()
    Math.random()
    30s
  • Q13
    Which method can be used to round a number to the nearest integer in Java?
    Math.floor()
    Math.round()
    Math.random()
    Math.ceil()
    30s
  • Q14
    Which method can be used to find the absolute value of a number in Java?
    Math.abs()
    Math.floor()
    Math.ceil()
    Math.max()
    30s
  • Q15
    Which method can be used to calculate the square root of a number in Java?
    Math.pow()
    Math.abs()
    Math.random()
    Math.sqrt()
    30s

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