Java Math.ceil() method

The java.lang.Math.ceil () is used to find the smallest integer value that is greater than or equal to the argument or mathematical integer.

Syntax

Parameter

Return

• If the argument is positive or negative double value, this method will return the ceil value.
• If the argument is NaN, this method will return same argument.
• If the argument is Infinity, this method will return Infinity with the same sign as the argument.
• If the argument is positive or negative Zero, this method will return Zero with same sign as the argument.
• If the argument is less than Zero but greater than -1.0, this method will return Negative Zero as output.

Example 1

Output:

84.0

Example 2

Output:

-94.0

Example 3

Output:

-Infinity

Example 4

Output:

0.0

Example 5

Output:

-0.0