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Java Math.log() method

The java.lang.Math.log() is used to find out the Logarithmic Value of any number. This method returns the natural logarithm (base e) of a double value as a parameter.

Syntax

Parameter

Return

  • If the argument is Positive value, this method will return the logarithm of a given value.
  • If the argument is Negative value, this method will return NaN.
  • If the argument is not a number (NaN), this method will return NaN.
  • If the argument is Positive Infinity, this method will return Positive Infinity.
  • If the argument is positive or negative Zero, this method will return Negative Infinity.

Example 1

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Output:

3.6609942506244004

Example 2

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Output:

NaN

Example 3

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Output:

Infinity

Example 4

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Output:

-Infinity

Next TopicJava Math




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