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Java Tutorial : Java Math class (Constants and Basic methods)

Java Tutorial : Java Math class (Constants and Basic methods)

MathDemo.java

public class MathDemo
{

    public static void main(String[] args)
    {

        double a = -200.635;
        double b = 23.74;
        int c = 46, d = 65;

        /*
         * Returns the absolute value of the argument.
         */
        System.out.printf(
                "The absolute value " + "of %.3f is %.3f%n", a,
                Math.abs(a));

        /*
         * Returns the smallest integer that is greater than
         * or equal to the argument. Returned as a double.
         */
        System.out.printf("The ceiling of " + "%.2f is %.0f%n", b,
                Math.ceil(b));

        /*
         * Returns the largest integer that is less than or
         * equal to the argument. Returned as a double.
         */
        System.out.printf("The floor of " + "%.2f is %.0f%n", b,
                Math.floor(b));

        /*
         * Returns the integer that is closest in value to
         * the argument. Returned as a double.
         */
        System.out.printf("The rint of %.2f " + "is %.0f%n", b,
                Math.rint(b));

        /*
         * Returns the larger of the two arguments.
         */
        System.out.printf("The max of %d and " + "%d is %d%n", c, d,
                Math.max(c, d));

        /*
         * Returns the smaller of the two arguments.
         */
        System.out.printf("The min of of %d " + "and %d is %d%n", c,
                d, Math.min(c, d));
    }
}