How to write exponents in Java?

To write exponents in Java, use the Math.pow and Math.exp function.

Here's how you do it:

double twoToThePowerOfThree = Math.pow(2, 3);
double eToThePowerOfThree = Math.exp(3);

System.out.println(twoToThePowerOfThree); // 8.0
System.out.println(eToThePowerOfThree); // 20.085536923187668

Other useful functions include:

Math.log - Natural logarithm
Math.log10 - Base 10 logarithm
Math.sqrt - Square root