How do I calculate logarithm?

We can calculate logarithm using the Math.log10() and the Math.log() static method call.

package org.kodejava.example.math;

public class LogarithmExample {

    public static void main(String[] args) {
        double number1 = 1000.0d;
        double number2 = 999.0d;

        //
        // Get common logarithm
        //
        double log10 = Math.log10(number1);
        System.out.println("Common logarithm of " + number1 + " = " + log10);

        //
        // Get natural logarithm
        //
        double loge = Math.log(number1);
        System.out.println("Natural logarithm of " + number1 + " = " + loge);
    }
}

The output of the program is:

Common logarithm of 1000.0 = 3.0
Natural logarithm of 1000.0 = 6.907755278982137

Wayan Saryada

A programmer, a slow runner, a recreational open water diver, currently living in the island of Bali, Indonesia. Mostly programming in Java, creating web based application with Spring Framework, JPA, etc. If you need help on Java programming you can hire me on Fiverr.

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