package com.zmd.common_class_libraries;

/**

 * @ClassName MathExample

 * @projectName: object1

 * @author: Zhangmingda

 * @description： XXX

 * date: 2021/4/7.

 */

public class MathExample {

    public static void main(String[] args) {

        //1、获取圆周率

        System.out.println(Math.PI);

        //2、弧度转换为角度 90度=π/2

        System.out.println(Math.toDegrees(Math.PI / 2));

        //3、角度转换为弧度

        System.out.println(Math.toRadians(90));

        //4、计算正弦

        System.out.println(Math.sin(Math.PI / 2));

        //5、计算余弦

        System.out.println(Math.cos(Math.PI / 2));

        //6、计算正切

        System.out.println(Math.tan(Math.PI / 2));

        //7、取整数小于目标的最大整数

        System.out.println(Math.floor(1.2));

        //8、取整数、获取大于目标的最大整数

        System.out.println(Math.ceil(1.2));

        //9、四舍五入取整

        System.out.println(Math.round(3.4));

        //10、计算平方根

        System.out.println(Math.sqrt(4));

        //11、计算立方根

        System.out.println(Math.cbrt(27));

        //12、计算e的N次幂

        System.out.println(Math.exp(3));

        //13、计算x的N次方

        System.out.println(Math.pow(2,4));

        //14、计算自然对数:以e为底的对数

        System.out.println(Math.log(Math.exp(4)));

        //15、计算以10为底的对数

        System.out.println(Math.log(1000));

        //16、找出最大值

        System.out.println(Math.max(1,3));

        //17、找出最小值

        System.out.println(Math.min(1,3));

        //18、获取0~1之间的伪随机数

        System.out.println(Math.random());

    }

}