Maths class

public class maths_methods {
    public static void main(String[] args){

        // Value of pi
        // Don't need to create variable -> we have math class
        //System.out.println(Math.PI);

        // Euler's number
        //System.out.println(Math.E);

        // power to (x^x)
        //double number = Math.pow(3, 3);

        // ABS() - absolute value - returns real number if it's negative
        //System.out.println(Math.abs(-10));

        // .sqrt() - square root
        //System.out.println(Math.sqrt(25));

        // .round() - rounds to the nearest int (whole number)
        //System.out.print(Math.round(5.12));

        // .ceil() - always rounds up
        //System.out.print(Math.ceil(5.2));

        // .floor() - always rounds down
        //System.out.print(Math.floor(3.5));

        // .max() - returns greater number between 2 or more values
        //System.out.print(Math.max(15, 50));

        // .min() - returns smaller number between 2 or more values
        //System.out.print(Math.min(15, 50));

    }
}