java.lang.Math.log10(double a) java.lang.Math.log(double a) java.lang.Math.log1p(double x) java.lang.Math.log10(double a) package com.codingdict; import java.lang.*; public class MathDemo { public static void main(String[] args) { // get two double numbers double x = 60984.1; double y = 1000; // get the base 10 logarithm for x System.out.println("Math.log10(" + x + ")=" + Math.log10(x)); // get the base 10 logarithm for y System.out.println("Math.log10(" + y + ")=" + Math.log10(y)); } } java.lang.Math.log(double a) java.lang.Math.log1p(double x)