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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

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Output:

84.0

Example 2

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Output:

-94.0

Example 3

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Output:

-Infinity

Example 4

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Output:

0.0

Example 5

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Output:

-0.0

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