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# Java log() Method
[Java Number Class](#)
* * *
The log() method returns the natural logarithm (base e) of a double value.
### Syntax
double log(double d)
### Parameters
* **d** -- any primitive data type.
### Return Value
Returns the natural logarithm of the argument.
### Example
public class Test{public static void main(String args[]){double x = 11.635;double y = 2.76;System.out.printf("The value of e is %.4f%n", Math.E);System.out.printf("log(%.3f) is %.3f%n", x, Math.log(x));}}
Compile and run the above program, this will produce the following result:
The value of e is 2.7183 log(11.635) is 2.454
* * Java Number Class](#)