测试数学类方法

public class Main 

{
/** 
来 自 
NowJava.com - 时  代  Java
**/

   public static void main(String[] args)

   {

      System.out.printf("Math.abs(23.7) = %f%n", Math.abs(23.7));

      System.out.printf("Math.abs(0.0) = %f%n", Math.abs(0.0));

      System.out.printf("Math.abs(-23.7) = %f%n", Math.abs(-23.7));

      System.out.printf("Math.ceil(9.2) = %f%n", Math.ceil(9.2));

      System.out.printf("Math.ceil(-9.8) = %f%n", Math.ceil(-9.8));

      System.out.printf("Math.cos(0.0) = %f%n", Math.cos(0.0));

      System.out.printf("Math.exp(1.0) = %f%n", Math.exp(1.0));

      System.out.printf("Math.exp(2.0) = %f%n", Math.exp(2.0));

      System.out.printf("Math.floor(9.2) = %f%n", Math.floor(9.2));

      System.out.printf("Math.floor(-9.8) = %f%n", Math.floor(-9.8));

      System.out.printf("Math.log(Math.E) = %f%n", Math.log(Math.E));
      /*
      时代Java - nowjava.com 提供
      */

      System.out.printf("Math.log(Math.E * Math.E) = %f%n", 

         Math.log(Math.E * Math.E));

      System.out.printf("Math.max(2.3, 12.7) = %f%n", Math.max(2.3, 12.7));

      System.out.printf("Math.max(-2.3, -12.7) = %f%n",

         Math.max(-2.3, -12.7));

      System.out.printf("Math.min(2.3, 12.7) = %f%n", Math.min(2.3, 12.7));

      System.out.printf("Math.min(-2.3, -12.7) = %f%n",

         Math.min(-2.3, -12.7));

      System.out.printf("Math.pow(2.0, 7.0) = %f%n", Math.pow(2.0, 7.0));

      System.out.printf(