# Keyword Analysis & Research: log base 2 in java

## Frequently Asked Questions

How to calculate log base 2 of an integer value in Java?

This post will discuss how to calculate log base 2 of an integer value in Java. The java.lang.Math class contains static methods for calculating the logarithms to bases 10 and e. Its log () method returns the natural logarithm (base e ), and the log10 () method returns the base 10 logarithms of a double value.

What is a common logarithm in Java?

Logarithms of base 10 are called common logarithms. To calculate a common logarithm in Java we can simply use the Math.log10 () method: 4. Calculating Natural Logarithms. Logarithms of the base e are called natural logarithms. To calculate a natural logarithm in Java we use the Math.log () method: 5.

How to log a double value in Java?

Java Math log() method with example. The java.lang.Math.log() method returns the natural logarithm (base e) of a double value as a parameter. There are various cases : If the argument is NaN or less than zero, then the result is NaN. If the argument is positive infinity, then the result is positive infinity.

Is it possible to use a floating-point arithmetic in log2?

While mathematically this is correct, please be aware that there is a risk of mis-calculation due to imprecise floating-point arithmetic, as explained in Rotsor's answer. so this would be applicable for log2. just plug this into the java Math log10 method....