Java Using Math Functions

Which package has to be imported to use Java Math functions?

• java.util.*

• java.io.*

• java.Mathematics.*

• Already in java.lang package

Which Java function is used to calculate square root of a number?

• Math.square()
• Math.pow()
• Math.sqrt()
• Math.root()

What is return type of most Math functions in Java?

• double
• boolean
• float
• int

Which Java statement is used to calculate 5 to the power 10?

• Math.pow(5, 2)
• Math.pow(5, 10)
• Math.exp(5, 10)

• Math.power(5, 10)

What is the output of Math.floor(3.7) ?

• 5.0

• 3.5
• 3.0

• 4.0

Output of Math.abs(-4) is:

• -4.0

• 0
• error

• 4.0

What range of values does Math.random() function in Java return?

• Between 0 (inclusive) and 100 (exclusive)

• Between 1 (inclusive) and 10 (exclusive)

• Between -1.0 (inclusive) and 1.0 (exclusive)
• Between 0.0 (inclusive) and 1.0 (exclusive)