Math class for Java Common class library

http://www.verejava.com/?id=16993076554196

/**    知识点: Math 数学运算类*/public class TestMath{    public static void main(String[] args)    {        //取绝对值        System.out.println(Math.abs(-2));        //取大于小数的最小整数        System.out.println(Math.ceil(1.6));        System.out.println(Math.ceil(1.1));        //取小于小数的最大整数        System.out.println(Math.floor(1.6));        System.out.println(Math.floor(1.1));        //小数部分四舍五入        System.out.println(Math.round(1.6));        System.out.println(Math.round(1.1));        //取两个数的最大值        System.out.println(Math.max(1,2));        //取两个数的最小值        System.out.println(Math.min(1,2));        //生成0.0-1.0 之间的随机数        System.out.println(Math.random());    }}

http://www.verejava.com/?id=16993076554196

Math class for Java Common class library